CN204066930U - A kind of circular ring type magnetic core - Google Patents
A kind of circular ring type magnetic core Download PDFInfo
- Publication number
- CN204066930U CN204066930U CN201420368835.8U CN201420368835U CN204066930U CN 204066930 U CN204066930 U CN 204066930U CN 201420368835 U CN201420368835 U CN 201420368835U CN 204066930 U CN204066930 U CN 204066930U
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- core body
- annulus
- inwall
- cuboid
- projection
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Abstract
The utility model discloses a kind of circular ring type magnetic core, integrally be made up of annulus core body and multiple cuboid projection of inwardly giving prominence to along the inwall of annulus core body, the protruding side away from annulus core body inwall of cuboid is the arc surface coaxial with the inside and outside wall of annulus core body, and the arc length of the projection of this arc surface on annulus core body radial section is less than the arc length of the cambered surface projection on this radial section of inwall between adjacent two cuboid projections of annulus core body.The magnetic core that the utility model proposes, the topology layout of magnetic core is reasonable, and effective work area is large, Magnetic Shielding Effectiveness good, improves stability and the reliability of the electromagnetic property of magnetic core simultaneously.
Description
Technical field
The utility model relates to magnetic core technical field, particularly relates to a kind of circular ring type magnetic core.
Background technology
The sintering magnetic metal oxide that magnetic core is made up of various iron oxide mixture, in prior art, FERRITE CORE is used in the coil of various electronic equipment and transformer.Such as, 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, the characteristic such as low magnetic permeability less than hundreds of, and produces comparatively low-loss etc. in the frequency higher than 1MHz.
The materials and structures of magnetic core is the key factor affecting magnetic core performance.Conventional annular ferrite core, magnetic core effective area is little, and not easily coiling coiling, magnetic screen be the shortcoming such as poor also.Therefore, need to design a kind of magnetic core, this magnetic core answers large, the easy coiling of high, the effective work area of the stability and reliability of electromagnetic property, magnetic shield performance good.
Utility model content
For prior art Problems existing, the utility model proposes a kind of circular ring type magnetic core, the topology layout of magnetic core is reasonable, and effective work area is large, space availability ratio is high, magnetic shield performance is good, improves stability and the reliability of the electromagnetic property of magnetic core.
A kind of circular ring type magnetic core that the utility model proposes, integrally be made up of annulus core body and multiple cuboid projection of inwardly giving prominence to from the inwall of annulus core body, the height of cuboid projection is equal with the height of annulus core body and direction is consistent, a side of its Width is near the inwall of annulus core body, the another side in cuboid ledge width direction is the arc surface coaxial with the inside and outside wall of annulus core body, away from the side of annulus core body and its length direction two side rounding ofves on cuboid ledge width direction, two sides in cuboid projection length direction and the inwall rounding off of annulus core body, the protruding arc length away from the projection of arc surface on annulus core body radial section of annulus core body inwall of cuboid is, the arc length of the cambered surface projection on annulus core body radial section of inwall between adjacent two cuboid projections of annulus core body is L2, L2 >=L1.
Preferably, the protruding inwall along annulus core body of multiple cuboid is uniformly distributed.
Preferably, the described top of circular ring type magnetic core and the rib of bottom have chamfering.
Preferably, the axis of annulus core body is L3 to the distance of inwall, and the axis of annulus core body is L4, L3/3 < L4 < L3/2 to the protruding distance away from the arc surface of annulus core body inwall of cuboid.
In the circular ring type magnetic core that the utility model proposes, integrally be made up of annulus core body and multiple cuboid projection of inwardly giving prominence to along the inwall of annulus core body, the protruding side away from annulus core body inwall of cuboid is the arc surface coaxial with the inside and outside wall of annulus core body, and the arc length of the projection of this arc surface on annulus core body radial section is less than the arc length of the cambered surface projection on this radial section of inwall between adjacent two cuboid projections of annulus core body.By being optimized design to core structure, increase effective work area of magnetic core, improve space availability ratio, easy coiling, make the topology layout of magnetic core more reasonable with design, the setting of cuboid projection, improves the Magnetic Shielding Effectiveness of magnetic core, improves stability and the reliability of the electromagnetic property of magnetic core simultaneously.
Accompanying drawing explanation
Fig. 1 is the vertical view of a kind of circular ring type magnetic core that the utility model proposes.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing:
As shown in Figure 1, Fig. 1 is the vertical view of a kind of circular ring type magnetic core that the utility model proposes.
With reference to Fig. 1, a kind of circular ring type magnetic core that the utility model proposes, is made up of annulus core body 1 and eight cuboid projections 2;
Cuboid projection 2 is inwardly given prominence to from the inwall of annulus core body 1, and eight cuboid projections 2 are uniformly distributed along annulus core body 1 inwall, the height of cuboid projection 2 is equal with the height of annulus core body 1 and direction is consistent, a side of its Width is near the inwall of annulus core body 1, its Width another side is the arc surface coaxial with the inside and outside wall of annulus core body 1, away from the side of annulus core body 1 and its length direction two side rounding ofves on protruding 2 Widths of cuboid, protruding two sides of 2 length directions of cuboid and the inwall rounding off of annulus core body 1, cuboid projection 2 is L1 away from the arc length of the projection of arc surface on annulus core body 1 radial section of annulus core body 1 inwall, the arc length of the cambered surface projection on annulus core body 1 radial section of inwall between adjacent two cuboid projections 2 of annulus core body 1 is L2, L2 >=L1, the axis of annulus core body 1 is L3 to the distance of inwall, the axis of annulus core body 1 is L4 to cuboid projection 2 away from the distance of the arc surface of annulus core body 1 inwall, L3/3 < L4 < L3/2, the above-mentioned top of circular ring type magnetic core and the rib of bottom have chamfering.
In concrete enforcement, preferably, L1 equals L2, and L4 is 0.4 times of L3.
In the present embodiment, integrally be made up of annulus core body 1 and eight cuboid projections 2 of inwardly giving prominence to along the inwall of annulus core body 1, cuboid projection 2 is the arc surface coaxial with the inside and outside wall of annulus core body 1 away from the side of annulus core body 1 inwall, and the arc length of the projection of this arc surface on annulus core body 1 radial section is less than the arc length of the cambered surface projection on this radial section of inwall between adjacent two cuboid projections 2 of annulus core body 1.By being optimized design to core structure, increase effective work area of magnetic core, improve space availability ratio, easy coiling, make the topology layout of magnetic core more reasonable with design, the setting of cuboid projection, improves the Magnetic Shielding Effectiveness of magnetic core, improves stability and the reliability of the electromagnetic property of magnetic core simultaneously.
Eight cuboid projections 2 are uniformly distributed along the inwall of annulus core body 1, and L4 is 0.4 times of L3, makes magnetic core size reasonable in design, increase the effective volume of magnetic core, thus improve anti-saturation ability, ensure mechanical performance and the electromagnetic property of magnetic core.
The above-mentioned top of circular ring type magnetic core and the rib of bottom have chamfering, make coil not fragile in winding and use procedure, and are convenient to magnetic core assembling.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (4)
1. a circular ring type magnetic core, it is characterized in that, be made up of annulus core body (1) and multiple cuboid projection (2) one of inwardly giving prominence to from the inwall of annulus core body (1), the height of cuboid projection (2) is equal with the height of annulus core body (1) and direction is consistent, a side of its Width is near the inwall of annulus core body (1), the another side of cuboid projection (2) Width is the arc surface coaxial with the inside and outside wall of annulus core body (1), away from the side of annulus core body (1) and its length direction two side rounding ofves on cuboid projection (2) Width, two sides of cuboid projection (2) length direction and the inwall rounding off of annulus core body (1), cuboid projection (2) is L1 away from the arc length of the projection of arc surface on annulus core body (1) radial section of annulus core body (1) inwall, the arc length of the cambered surface projection on annulus core body (1) radial section of inwall between adjacent two cuboid projections (2) of annulus core body (1) is L2, L2 >=L1.
2. circular ring type magnetic core according to claim 1, is characterized in that, multiple cuboid projection (2) is uniformly distributed along the inwall of annulus core body (1).
3. circular ring type magnetic core according to claim 1, is characterized in that, the described top of circular ring type magnetic core and the rib of bottom have chamfering.
4. circular ring type magnetic core according to claim 1, it is characterized in that, the axis of annulus core body (1) is L3 to the distance of inwall, the axis of annulus core body (1) is L4, L3/3<L4<L3/2 to cuboid projection (2) away from the distance of the arc surface of annulus core body (1) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368835.8U CN204066930U (en) | 2014-07-04 | 2014-07-04 | A kind of circular ring type magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368835.8U CN204066930U (en) | 2014-07-04 | 2014-07-04 | A kind of circular ring type magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204066930U true CN204066930U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420368835.8U Expired - Fee Related CN204066930U (en) | 2014-07-04 | 2014-07-04 | A kind of circular ring type magnetic core |
Country Status (1)
| Country | Link |
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| CN (1) | CN204066930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384649A (en) * | 2016-10-07 | 2017-02-08 | 吴继成 | Power electronic transformer for realizing rapid and stable adjustment of output voltage |
-
2014
- 2014-07-04 CN CN201420368835.8U patent/CN204066930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384649A (en) * | 2016-10-07 | 2017-02-08 | 吴继成 | Power electronic transformer for realizing rapid and stable adjustment of output voltage |
| CN106384649B (en) * | 2016-10-07 | 2017-12-29 | 辉亚男 | Realize that output voltage is quick, the electric power electric transformer of stable regulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20200704 |