CN219497469U - CIIC type vertical winding hybrid magnetic circuit inductor - Google Patents
CIIC type vertical winding hybrid magnetic circuit inductor Download PDFInfo
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- CN219497469U CN219497469U CN202223354134.2U CN202223354134U CN219497469U CN 219497469 U CN219497469 U CN 219497469U CN 202223354134 U CN202223354134 U CN 202223354134U CN 219497469 U CN219497469 U CN 219497469U
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Abstract
The utility model discloses a CIIC type vertical winding hybrid magnetic circuit inductor, which comprises two C-shaped magnetic cores with openings facing towards the near sides and symmetrically arranged and two I-shaped strip block magnetic cores symmetrically arranged between the two C-shaped magnetic cores, wherein the two C-shaped magnetic cores are formed by symmetrically cutting annular magnetic cores, the I-shaped strip block magnetic cores are fixedly connected with the ends of the C-shaped magnetic cores at the corresponding ends respectively, the two C-shaped magnetic cores and the two I-shaped strip block magnetic cores form a runway-shaped magnetic core structure, namely the sections of the C-shaped magnetic cores and the I-shaped strip block magnetic cores are equal, and vertical winding coils are sleeved on the runway-shaped magnetic core structure; the C-shaped magnetic core and the I-shaped strip block magnetic core are made of magnetic materials with different materials or different materials and magnetic conductivities. The CIIC type vertical winding hybrid magnetic circuit inductor can reduce the difficulty of an assembly process and can optimize the electromagnetic performance of the inductor.
Description
Technical Field
The utility model relates to a CIIC type vertical winding hybrid magnetic circuit inductor, and belongs to the technical field of inductors.
Background
The inductor is an important device in the power electronics field, and the annular vertical winding inductor (shown in fig. 3) is widely adopted due to the advantages of good heat dissipation effect, small parasitic capacitance of an inductance coil, good electromagnetic compatibility effect in circuit application and the like. In the prior art, the structure of the annular vertical winding inductor is generally formed by assembling a cut annular magnetic core and a vertical winding square flat coil, the annular magnetic core is symmetrically cut through tools such as a high-speed grinding wheel, the magnetic ring is cut into two semicircular C-shaped magnetic cores, then the flat wire is vertically wound into the square vertical winding coil, the two semicircular C-shaped magnetic cores are arranged in the square vertical winding coil, then adhesive glue is coated on the cutting surface of the magnetic core, and the magnetic ring is adhered to form the inductor.
However, in the inductor assembled by adopting the structure, the vertical winding coils are bent into a single-layer arrangement in the shape of a circular magnetic core, so that the number of the vertical winding coils is limited, the inductance of the inductor is not improved, and the full utilization of the performance of the magnetic core cannot be realized; on the other hand, the two half magnetic cores are identical in material quality because the magnetic rings are needed to be matched after being cut, and the magnetic performance of the inductor cannot be optimized by using a hybrid magnetic circuit.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the CIIC type standing-winding hybrid magnetic circuit inductor which can reduce the difficulty of an assembly process and can optimize the electromagnetic performance of the inductor.
The technical scheme adopted by the utility model is as follows:
the CIIC type vertical winding hybrid magnetic circuit inductor comprises two C-shaped magnetic cores with openings facing towards the mutually near sides and symmetrically arranged and two I-shaped strip block magnetic cores symmetrically arranged between the two C-shaped magnetic cores, wherein the two C-shaped magnetic cores are formed by symmetrically cutting annular magnetic cores, the I-shaped strip block magnetic cores are fixedly connected with the end parts of the C-shaped magnetic cores at the corresponding ends respectively, the two C-shaped magnetic cores and the two I-shaped strip block magnetic cores form a runway-shaped magnetic core structure, namely the C-shaped magnetic cores and the I-shaped strip block magnetic cores have equal cross sections, and vertical winding coils are sleeved on the runway-shaped magnetic core structure;
the C-shaped magnetic core and the I-shaped strip block magnetic core are made of magnetic materials with different materials or different materials and magnetic conductivities.
In one preferred aspect of the present utility model, an adhesive is coated on the bonding surface of the I-shaped bar core and the C-shaped core.
In one preferred embodiment of the present utility model, the density of the standing coil segment sleeved on the I-shaped bar core is greater than the density of the standing coil segment sleeved on the C-shaped core.
The utility model has the beneficial effects that:
1. two C-shaped magnetic cores formed by symmetrical cutting of the annular magnetic core are connected with I-shaped strip magnetic cores with the same cross section to form a CIIC-shaped magnetic core, the number of turns of the sleeved flat vertical winding coil is increased, the inductance of the inductor is improved, and the utilization rate of the magnetic core performance is improved.
2. Through adjusting I shape strip piece magnetic core length, can deal with different inductance value demands in a flexible way, the universality is strong.
3. The C-shaped magnetic core and the I-shaped strip block magnetic core are made of magnetic materials with different materials or different magnetic conductivities, and the C-shaped magnetic core and the I-shaped strip block magnetic core form a hybrid magnetic circuit, so that the electromagnetic performance of the inductor can be optimized.
4. The CIIC type vertical winding hybrid magnetic circuit inductor can reduce the difficulty of a coil assembly process.
Drawings
FIG. 1 is a schematic diagram of a CIIC type vertical wound hybrid magnetic circuit inductor;
FIG. 2 is a schematic diagram of a racetrack core structure;
FIG. 3 is a schematic diagram of a conventional toroidal standing wound inductor;
the main reference numerals in the figures have the following meanings:
1. c-shaped magnetic core, 2, I-shaped strip piece magnetic core, 3, standing coil.
Detailed Description
The utility model is described in detail below with reference to the drawings and examples.
As shown in fig. 1-2: the CIIC type vertical winding hybrid magnetic circuit inductor comprises two C-shaped magnetic cores formed by symmetrically cutting annular magnetic cores, wherein openings of the two C-shaped magnetic cores are symmetrically arranged towards sides close to each other, two I-shaped strip block magnetic cores are fixed between the two C-shaped magnetic cores through adhesive glue, as shown in figures 1 and 2, the cross sections of the I-shaped strip block magnetic cores perpendicular to the length direction a are identical to the cutting surfaces of the C-shaped magnetic cores, and the cross sections are identical, so that on one hand, a flat vertical winding coil can be sleeved with the C-shaped magnetic cores and the I-shaped strip block magnetic cores, and waste caused by overlarge coil windows is avoided, and on the other hand, the magnetic circuit design is reasonable and magnetic leakage is reduced; and the length of I shape strip piece magnetic core can be adjusted according to actual demand, can make and stand the total number of turns of coil and can select in a flexible way and use, can satisfy the demand of inductor large inductance value in succession, realizes the make full use of magnetic core performance.
During assembly, the two I-shaped strip magnetic cores and one of the C-shaped magnetic cores are fixed in a dislocation-free bonding mode through adhesive, then the vertical winding wire is sleeved on the assembled magnetic cores, the other C-shaped magnetic core is fixed in a dislocation-free bonding mode through adhesive, and finally the vertical winding wire is pulled out to obtain the inductor shown in fig. 1.
When in practical application, the C-shaped magnetic core and the I-shaped strip block magnetic core are made of magnetic materials with different materials or different materials and magnetic conductivities, and the magnetic cores can form a hybrid magnetic circuit in the mode, so that the electromagnetic performance of the inductor is optimized.
Example 1
A magnetic ring with the outer diameter of 58mm, the inner diameter of 25.6mm and the height of 28mm and made of iron-silicon-aluminum and the magnetic conductivity of 60 is used for half-cutting; after cutting, a magnetic core with a uniform section I-shaped bar block is added, the length a=7mm, the material is iron-silicon, the magnetic conductivity is 60, the vertical winding flat aluminum wire is 1.5x7mm, and the maximum winding circle number is 28Ts. At 0A, the inductance is 171uH; the inductance at 50A was 105uH.
Example 2
A magnetic ring with the outer diameter of 58mm, the inner diameter of 25.6mm and the height of 28mm and made of iron-silicon-aluminum and the magnetic conductivity of 60 is used for half-cutting; after cutting, a magnetic core with a uniform section I-shaped bar block is added, the length a=7mm, the material is iron-silicon, the magnetic conductivity is 75, the vertical winding flat aluminum wire is 1.5x7mm, and the maximum winding circle number is 28Ts. At 0A, the inductance is 180uH; the inductance at 50A was 110uH.
Comparative example 1
A magnetic ring with the outer diameter of 58mm, the inner diameter of 25.6mm and the height of 28mm and made of iron-silicon-aluminum and the magnetic conductivity of 60 is used for half-cutting; after cutting, a vertically wound flat aluminum wire of 1.5X7 mm was used, with a maximum number of turns of 20Ts. The inductance at 0A is 90uH; the inductance at 50A was 55uH.
Comparative example 2
A magnetic ring with the outer diameter of 58mm, the inner diameter of 25.6mm and the height of 28mm and made of iron-silicon-aluminum and the magnetic conductivity of 60 is used for half-cutting; after cutting, a magnetic core with a uniform section I-shaped bar block is added, the length a=7mm, the material is iron-silicon-aluminum, the magnetic conductivity is 60, the vertical winding flat aluminum wire is 1.5x7mm, and the maximum winding circle number is 28Ts. At 0A, the inductance is 171uH; the inductance at 50A was 95uH.
As can be seen from example 1 and comparative example 1, the CIIC type standing wound hybrid magnetic circuit inductor provided by the present utility model can increase the number of turns of the flatly sleeved standing winding coil and can greatly increase the inductance of the inductor. As is clear from examples 1 and 2, the use of C-shaped magnetic cores and I-shaped bar cores of different materials in the CIIC type vertical wound hybrid magnetic circuit inductor can optimize the electromagnetic performance of the inductor. As is clear from examples 1 and 2, the cic type vertical wound hybrid magnetic circuit inductor uses C-shaped magnetic cores and I-shaped bar cores of different materials, and the electromagnetic performance of the inductor can be optimized by using I-shaped bar cores of different magnetic permeability.
The foregoing is merely illustrative of the preferred embodiments of this utility model, and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of this utility model, and such variations and modifications are to be regarded as being within the scope of this utility model.
Claims (2)
1. A CIIC type vertical winding hybrid magnetic circuit inductor, characterized in that: the double-C-shaped magnetic core and the double-I-shaped magnetic core form a runway-shaped magnetic core structure, and a vertical coil is sleeved on the runway-shaped magnetic core structure;
the C-shaped magnetic core and the I-shaped strip block magnetic core are made of magnetic materials with different materials or different materials and magnetic conductivities;
the density of the vertical winding coil section coil body sleeved on the I-shaped strip block magnetic core is greater than that of the vertical winding coil section coil body sleeved on the C-shaped magnetic core.
2. The CIIC type vertical wound hybrid magnetic circuit inductor according to claim 1, wherein an adhesive is coated on the joint surface of the I-shaped bar block magnetic core and the C-shaped magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223354134.2U CN219497469U (en) | 2022-12-14 | 2022-12-14 | CIIC type vertical winding hybrid magnetic circuit inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223354134.2U CN219497469U (en) | 2022-12-14 | 2022-12-14 | CIIC type vertical winding hybrid magnetic circuit inductor |
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| Publication Number | Publication Date |
|---|---|
| CN219497469U true CN219497469U (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223354134.2U Active CN219497469U (en) | 2022-12-14 | 2022-12-14 | CIIC type vertical winding hybrid magnetic circuit inductor |
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| Country | Link |
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| CN (1) | CN219497469U (en) |
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- 2022-12-14 CN CN202223354134.2U patent/CN219497469U/en active Active
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