CN212209170U - Efficient combined magnetic core structure - Google Patents
Efficient combined magnetic core structure Download PDFInfo
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- CN212209170U CN212209170U CN202020984155.4U CN202020984155U CN212209170U CN 212209170 U CN212209170 U CN 212209170U CN 202020984155 U CN202020984155 U CN 202020984155U CN 212209170 U CN212209170 U CN 212209170U
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Abstract
A high efficiency composite magnetic core structure comprising: first magnetic core structure, second magnetic core structure, third magnetic core structure and fourth magnetic core structure, first magnetic core structure with second magnetic core structure sets up relatively, and by between the two third magnetic core structure with fourth magnetic core structure supports jointly, first magnetic core structure is arranged in proper order along the X axle direction by the first magnetic core of specifications such as a piece and is constituteed, second magnetic core structure is arranged in proper order along the X axle direction by the second magnetic core of specifications such as b piece and is constituteed, third magnetic core structure is arranged in proper order along the Y axle direction by the third magnetic core of specifications such as c piece and is constituteed, fourth magnetic core structure is arranged in proper order along the Y axle direction by the fourth magnetic core of specifications such as d piece and is constituteed, first magnetic core with the second magnetic core is the cuboid, the third magnetic core with the fourth magnetic core is the fillet cuboid. The design method can cover the design requirements of all high-power electronic converter power inductors.
Description
Technical Field
The utility model belongs to the technical field of power electronic power converter, concretely relates to efficient combination magnetic core structure.
Background
In power electronic power converters, energy storage and filtering power inductors have wide application. Most of the power inductors are designed by using annular powder core magnetic materials in the prior art, and the annular magnetic core has larger application advantages in small and medium power section power electronic power converters, the manufacturing process is easier, and the performance is stable.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides an efficient combined magnetic core structure, include: first magnetic core structure, second magnetic core structure, third magnetic core structure and fourth magnetic core structure, first magnetic core structure with second magnetic core structure sets up relatively, and by between the two third magnetic core structure with fourth magnetic core structure supports jointly, first magnetic core structure is arranged in proper order along the X axle direction by the first magnetic core of specifications such as a piece and is constituteed, second magnetic core structure is arranged in proper order along the X axle direction by the second magnetic core of specifications such as b piece and is constituteed, third magnetic core structure is arranged in proper order along the Y axle direction by the third magnetic core of specifications such as c piece and is constituteed, fourth magnetic core structure is arranged in proper order along the Y axle direction by the fourth magnetic core of specifications such as d piece and is constituteed, first magnetic core with the second magnetic core is the cuboid, the third magnetic core with the fourth magnetic core is the fillet cuboid.
Preferably, the first magnetic core and the second magnetic core are both made of a powder core magnetic material.
Preferably, each of the first magnetic cores and each of the second magnetic cores have equal lengths.
Preferably, each of the first magnetic cores and each of the second magnetic cores have the same height.
Preferably, the total width of the first magnetic core in the block a is equal to the total width of the second magnetic core in the block b.
Preferably, the third magnetic core and the fourth magnetic core are each made of a powder core magnetic material.
Preferably, each of the third magnetic cores and each of the fourth magnetic cores have equal lengths.
Preferably, each of the third magnetic cores and each of the fourth magnetic cores have the same width.
Preferably, the total height of the c pieces of the third magnetic core and the total height of the d pieces of the fourth magnetic core are equal.
Preferably, a, b, c, d.
The application provides a high-efficiency combined magnetic core structure can cover all high-power electronic converter power inductance's design demand, cooperates the flat line technology, can promote product quality and production efficiency high-efficiently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an efficient combined magnetic core structure provided by the present invention;
fig. 2 is a schematic front view of an efficient combined magnetic core structure provided by the present invention;
fig. 3 is a schematic side view of an efficient combined magnetic core structure provided by the present invention;
fig. 4 is a schematic top view of an efficient combined magnetic core structure provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In an embodiment of the present application, as shown in fig. 1-4, the present application provides a high efficiency composite magnetic core structure, comprising: first core structure 10, second core structure 20, third core structure 30, and fourth core structure 40, each of which is described in detail below.
In the embodiments of the present application, as shown in fig. 1-4, the present application provides a high-efficiency composite magnetic core structure, which includes: a first magnetic core structure 10, a second magnetic core structure 20, a third magnetic core structure 30 and a fourth magnetic core structure 40, said first magnetic core structure 10 and said second magnetic core structure 20 being oppositely arranged, and are commonly supported by said third core structure 30 and said fourth core structure 40, the first magnetic core structure 10 is formed by sequentially arranging a first magnetic cores 11 with the same specification along the X-axis direction, the second magnetic core structure 20 is formed by b pieces of second magnetic cores 21 with the same specification which are sequentially arranged along the X-axis direction, the third magnetic core structure 30 is formed by sequentially arranging c third magnetic cores 31 with the same specification along the Y-axis direction, the fourth magnetic core structure 40 is formed by d equal-sized fourth magnetic cores 41 which are sequentially arranged along the Y-axis direction, the first magnetic core 11 and the second magnetic core 21 are cuboids, and the third magnetic core 31 and the fourth magnetic core 41 are round-angle cuboids.
In the embodiment of the present application, each of the first magnetic cores 11 and the second magnetic cores 21 is made of a powder magnetic material, each of the first magnetic cores 11 and each of the second magnetic cores 21 has the same length, and each of the first magnetic cores 11 and each of the second magnetic cores 21 has the same height.
In the embodiment of the present application, the total width of the first magnetic core 11 in the block a is equal to the total width of the second magnetic core 21 in the block b.
As shown in fig. 2-4, the lengths of first core 11 and second core 21 are represented as: cuboid _ L, width is expressed as: cuboid _ W, height is expressed as: cuboid _ H.
In the embodiment of the present application, each of the third magnetic cores 31 and the fourth magnetic cores 41 is made of a powder magnetic material, each of the third magnetic cores 31 and each of the fourth magnetic cores 41 has the same length, and each of the third magnetic cores 31 and each of the fourth magnetic cores 41 has the same width.
In the embodiment of the present application, the total height of the c pieces of the third magnetic cores 31 is equal to the total height of the d pieces of the fourth magnetic cores 41.
As shown in fig. 2-4, the lengths of third core 31 and fourth core 41 are represented as: r _ L, width is expressed as: r _ W, height is expressed as: r _ H.
In the embodiments of the present application, a, b, c, and d. In other embodiments, a, b, c and d may not be equal, and are selected according to actual needs.
In the present embodiment, the first magnetic core structure 10, the second magnetic core structure 20, the third magnetic core structure 30, and the fourth magnetic core structure 40 are respectively composed of 3 first magnetic cores 11, second magnetic cores 21, third magnetic cores 31, and fourth magnetic cores 41, and each of the first magnetic cores 11, the second magnetic cores 21, the third magnetic cores 31, and the fourth magnetic cores 41 is made of a powder core material having the same initial permeability.
As shown in fig. 1-4, in the embodiment of the present application, the combination of the elliptic cuboids R1_ n and R2_ n is used as the winding cylinder, because the two sides are curved surfaces, the utilization rate of the wound flat wire is high, the winding volume is small, the cross-sectional area of the magnetic circuit can also reach the maximum area utilization, the air gap between the magnetic blocks can be freely adjusted, and the improvement of the direct current bias resistance of the whole inductor is facilitated.
The soft magnetic materials of R1_ n and R2_ n can all use powder core magnetic core materials with the same initial magnetic permeability u, and can also use magnetic core materials with different initial magnetic permeability u, so that the overall magnetic resistance of the elliptic cylinder can be adjusted according to requirements, and combined magnetic permeability except standard magnetic materials can be obtained after the soft magnetic materials are matched. And C1_ n and C2_ n must use powder core material with the same initial permeability as the corresponding soft magnetic material because of the reluctance direction of the magnetic circuit, so as to ensure the uniform distribution of the magnetic flux.
The application provides a high-efficiency combined magnetic core structure can cover all high-power electronic converter power inductance's design demand, cooperates the flat line technology, can promote product quality and production efficiency high-efficiently.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A high efficiency composite magnetic core structure, comprising: first magnetic core structure, second magnetic core structure, third magnetic core structure and fourth magnetic core structure, first magnetic core structure with second magnetic core structure sets up relatively, and by between the two third magnetic core structure with fourth magnetic core structure supports jointly, first magnetic core structure is arranged in proper order along the X axle direction by the first magnetic core of specifications such as a piece and is constituteed, second magnetic core structure is arranged in proper order along the X axle direction by the second magnetic core of specifications such as b piece and is constituteed, third magnetic core structure is arranged in proper order along the Y axle direction by the third magnetic core of specifications such as c piece and is constituteed, fourth magnetic core structure is arranged in proper order along the Y axle direction by the fourth magnetic core of specifications such as d piece and is constituteed, first magnetic core with the second magnetic core is the cuboid, the third magnetic core with the fourth magnetic core is the fillet cuboid.
2. A high efficiency composite magnetic core structure as in claim 1, wherein said first magnetic core and said second magnetic core are both made of a powder core magnetic material.
3. A high efficiency composite magnetic core structure as recited in claim 1, wherein each of said first magnetic cores and each of said second magnetic cores are of equal length.
4. A high efficiency composite magnetic core structure as recited in claim 1, wherein each of said first magnetic cores and each of said second magnetic cores are of equal height.
5. A high efficiency composite core structure as recited in claim 1, wherein the total width of a of said first cores is equal to the total width of b of said second cores.
6. A high efficiency composite magnetic core structure as in claim 1, wherein said third magnetic core and said fourth magnetic core are both made of a powder core magnetic material.
7. A high efficiency composite magnetic core structure as recited in claim 1, wherein each of said third magnetic cores and each of said fourth magnetic cores are of equal length.
8. A high efficiency composite magnetic core structure as recited in claim 1, wherein each of said third magnetic cores and each of said fourth magnetic cores have equal widths.
9. A high efficiency composite core structure as recited in claim 1, wherein the total height of c of said third core and d of said fourth core are equal.
10. The high efficiency composite core structure of claim 1, wherein a, b, c, d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020984155.4U CN212209170U (en) | 2020-06-02 | 2020-06-02 | Efficient combined magnetic core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020984155.4U CN212209170U (en) | 2020-06-02 | 2020-06-02 | Efficient combined magnetic core structure |
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| Publication Number | Publication Date |
|---|---|
| CN212209170U true CN212209170U (en) | 2020-12-22 |
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| CN202020984155.4U Active CN212209170U (en) | 2020-06-02 | 2020-06-02 | Efficient combined magnetic core structure |
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| CN (1) | CN212209170U (en) |
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- 2020-06-02 CN CN202020984155.4U patent/CN212209170U/en active Active
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