CN203966769U - A kind of column magnetic core and circuit board - Google Patents
A kind of column magnetic core and circuit board Download PDFInfo
- Publication number
- CN203966769U CN203966769U CN201420370473.6U CN201420370473U CN203966769U CN 203966769 U CN203966769 U CN 203966769U CN 201420370473 U CN201420370473 U CN 201420370473U CN 203966769 U CN203966769 U CN 203966769U
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- CN
- China
- Prior art keywords
- magnetic core
- connecting portion
- circuit board
- cylinder
- insertion section
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of column magnetic core, formed by winding section, connecting portion and insertion section one; Winding section is that bottom surface is the cylinder of rectangle, connecting portion is that bottom surface is the cylinder of isosceles trapezoid, insertion section is that bottom surface is the cylinder of rectangle, the described trapezoidal side, place of going to the bottom of connecting portion is near winding section length direction one side, the side, described trapezoidal upper base place of connecting portion is near length direction one side of insertion section, and the rib of described column magnetic core is provided with chamfering.The magnetic core the utility model proposes, magnetic core simple in structure rationally distributed, effectively work area is large, space availability ratio is high, improved stability and the reliability of the electromagnetic property of magnetic core.The utility model has also proposed a kind of circuit board, comprises above-mentioned magnetic core.
Description
Technical field
The utility model relates to magnetic core technical field, relates in particular to a kind of column magnetic core and circuit board.
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, in the time of the frequency lower than 1MHz, there is more low-loss characteristic, nickel-zinc ferrite has high unit area impedance, less than characteristics such as the low magnetic permeabilities of hundreds of, and produce compared with low-loss in the frequency higher than 1MHz etc.
The material of magnetic core and structure are the key factors that affects magnetic core performance.Conventional FERRITE CORE, magnetic core effective area is little, is difficult for the also shortcoming such as poor of coiling coiling, magnetic screen.Therefore, need to design a kind of magnetic core, this magnetic core should be simple in structure, large, the easy coiling of high, the effective work area of electromagnetism stability and reliability.
Utility model content
The problem existing for prior art, the utility model proposes a kind of column magnetic core, magnetic core simple in structure rationally distributed, and effectively work area is large, space availability ratio is high, improved stability and the reliability of the electromagnetic property of magnetic core.
The utility model proposes a kind of column magnetic core, be integrally formed by winding section, connecting portion and insertion section, winding section is that bottom surface is the cylinder of rectangle, its length is A1, width A2, and height A 3, connecting portion is that bottom surface is the cylinder of isosceles trapezoid, its height B 1, described trapezoidal upper base length B2, the length of going to the bottom B3, and upper base is to going to the bottom apart from B4, insertion section is that bottom surface is the cylinder of rectangle, its length C 1, width C 2, and height C3, the described trapezoidal side, place of going to the bottom of connecting portion is near winding section length direction one side, B3 equals A2, the side, described trapezoidal upper base place of connecting portion is near length direction one side of insertion section, B2 equals C2, A3, B1 and C3 equate, C1 is 1-2 times of C2, A1 is 1-2 times of A3, the rib of described column magnetic core is provided with chamfering.
Preferably, the 2-4 that A2 is C2 doubly.
Preferably, the 2-4 that A1 is B4 doubly.
In the utility model, the column magnetic core proposing, is made up of winding section, connecting portion and insertion section one; Winding section is that bottom surface is the cylinder of rectangle, connecting portion is that bottom surface is the cylinder of isosceles trapezoid, insertion section is that bottom surface is the cylinder of rectangle, the described trapezoidal side, place of going to the bottom of connecting portion is near winding section length direction one side, the side, described trapezoidal upper base place of connecting portion is near length direction one side of insertion section, and the rib of described column magnetic core is provided with chamfering.By core structure is optimized to design, core structure is simple, be convenient to manufacture, increase effective work area of magnetic core, improve space availability ratio, easily coiling, makes the topology layout of magnetic core and design more reasonable, efficiently solve the problem that wrapping post root coil magnetic induction line is dispersed simultaneously, improved stability and the reliability of the electromagnetic property of magnetic core.
The utility model also proposes a kind of circuit board, described circuit board is provided with installation through hole, is provided with above-mentioned column magnetic core in described installation through hole, and the length direction of described column magnetic core is perpendicular to circuit board surface, insertion section is inserted in described installation through hole, is wound with coil on winding section.
The technique effect of described circuit board is substantially similar to above-mentioned magnetic core effect, therefore here repeats no more.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of column magnetic core that the utility model proposes.
Fig. 2 is that the column magnetic core proposing in Fig. 1 is installed to the end view on circuit board.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment:
As illustrated in fig. 1 and 2, Fig. 1 is the structural representation of a kind of column magnetic core that the utility model proposes, and Fig. 2 is that the column magnetic core proposing in Fig. 1 is installed to the end view on circuit board.
With reference to Fig. 1, a kind of column magnetic core the utility model proposes, is made up of winding section 1, connecting portion 2 and insertion section 3 one, the cylinder that winding section 1 is rectangle for bottom surface, its length is A1, width A2, and height A 3, the cylinder that connecting portion 2 is isosceles trapezoid for bottom surface, its height B 1, trapezoidal upper base length B2, the length of going to the bottom B3, and upper base is to going to the bottom apart from B4, the cylinder that insertion section 3 is rectangle for bottom surface, its length C 1, width C 2, and height C3, the trapezoidal side, place of going to the bottom of connecting portion 2 is near winding section 1 length direction one side, B3 equals A2, the side, trapezoidal upper base place of connecting portion 2 is near length direction one side of insertion section 3, B2 equals C2, A3, B1 and C3 equate, C1 is 1-2 times of C2, A1 is 1-2 times of A3, A2 is 2-4 times of C2, A1 is 2-4 times of B4, the rib of above-mentioned column magnetic core is provided with chamfering.
In concrete enforcement, the 1.2-1.8 that C1 is C2 doubly, is preferably 1.5 times, and the 1.2-1.8 that A1 is A3 doubly, is preferably 1.5 times, and the 2.5-3.5 that A2 is C2 doubly, is preferably 3 times, and the 2.5-3.5 that A1 is B4 doubly, is preferably 3 times.
In the present embodiment, the column magnetic core proposing, is made up of winding section, connecting portion and insertion section one; Winding section is that bottom surface is the cylinder of rectangle, connecting portion is that bottom surface is the cylinder of isosceles trapezoid, insertion section is that bottom surface is the cylinder of rectangle, the described trapezoidal side, place of going to the bottom of connecting portion is near winding section length direction one side, the side, described trapezoidal upper base place of connecting portion is near length direction one side of insertion section, and the rib of above-mentioned column magnetic core is provided with chamfering.By core structure is optimized to design, core structure is simple, is convenient to manufacture, increase effective work area of magnetic core, improved space availability ratio, easily coiling, make topology layout and the design of magnetic core more reasonable, improved stability and the reliability of the electromagnetic property of magnetic core.
C1 is 1.5 times of C2, A1 is 1.5 times of A3, A2 is 3 times of C2, A1 is 3 times of B4, make magnetic core size reasonable in design, increase the effective volume of magnetic core, thereby increase anti-saturation ability, ensure mechanical performance and the electromagnetic property of magnetic core, and efficiently solve the problem that wrapping post root coil magnetic induction line is dispersed.
In the utility model embodiment, a kind of circuit board 4 also proposing, it comprises above-mentioned column magnetic core.With reference to Fig. 2, on circuit board 4, be provided with above-mentioned magnetic core.In concrete setting up procedure, circuit board 4 is provided with installation through hole, and the length direction of magnetic core is perpendicular to circuit board 4 surfaces, and insert in this installation through hole insertion section 3, winding around on winding section 1; In use, magnetic core embeds in circuit board 4, generates induced field when electric current flows through coil, in less circuit board space, realizes magnetic loop, improves the space availability ratio of circuit board 4.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and utility model design thereof, within all should being encompassed in protection range of the present utility model.
Claims (4)
1. a column magnetic core, is characterized in that, is made up of winding section (1), connecting portion (2) and insertion section (3) one, the cylinder that winding section (1) is rectangle for bottom surface, its length is A1, width A2, and height A 3, the cylinder that connecting portion (2) is isosceles trapezoid for bottom surface, its height B 1, described trapezoidal upper base length B2, the length of going to the bottom B3, and upper base is to going to the bottom apart from B4, the cylinder that insertion section (3) is rectangle for bottom surface, its length C 1, width C 2, and height C3, the described trapezoidal side, place of going to the bottom of connecting portion (2) is near winding section (1) length direction one side, B3 equals A2, the side, described trapezoidal upper base place of connecting portion (2) is near length direction one side of insertion section (3), B2 equals C2, A3, B1 and C3 equate, C1 is 1-2 times of C2, A1 is 1-2 times of A3, the rib of described column magnetic core is provided with chamfering.
2. column magnetic core according to claim 1, is characterized in that, the 2-4 that A2 is C2 doubly.
3. column magnetic core according to claim 1, is characterized in that, the 2-4 that A1 is B4 doubly.
4. a circuit board, it is characterized in that, described circuit board is provided with installation through hole, in described installation through hole, be provided with according to the column magnetic core described in claim 1-3 any one, the length direction of described column magnetic core is perpendicular to circuit board surface, insertion section (3) is inserted in described installation through hole, on winding section (1), is wound with coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370473.6U CN203966769U (en) | 2014-07-04 | 2014-07-04 | A kind of column magnetic core and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370473.6U CN203966769U (en) | 2014-07-04 | 2014-07-04 | A kind of column magnetic core and circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203966769U true CN203966769U (en) | 2014-11-26 |
Family
ID=51927322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420370473.6U Expired - Fee Related CN203966769U (en) | 2014-07-04 | 2014-07-04 | A kind of column magnetic core and circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203966769U (en) |
-
2014
- 2014-07-04 CN CN201420370473.6U patent/CN203966769U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20141126 Termination date: 20200704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |