CN219418734U - Inductance element - Google Patents
Inductance element Download PDFInfo
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- CN219418734U CN219418734U CN202223493864.0U CN202223493864U CN219418734U CN 219418734 U CN219418734 U CN 219418734U CN 202223493864 U CN202223493864 U CN 202223493864U CN 219418734 U CN219418734 U CN 219418734U
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Abstract
An inductance component includes a magnetic core set and a winding. The magnetic core group comprises an upper magnetic core, a lower magnetic core, a surrounding part and a center pillar, wherein the upper magnetic core is provided with a first upper surface and a first lower surface which are oppositely arranged, the lower magnetic core is provided with a second upper surface and a second lower surface which are oppositely arranged, the second upper surface of the lower magnetic core is positioned between the second lower surface and the first lower surface of the upper magnetic core, the surrounding part is provided with a surrounding body and a hollow structure, the surrounding body is provided with a top surface and a bottom surface, the hollow structure penetrates through the top surface and the bottom surface, the top surface is attached to the first lower surface of the upper magnetic core, the bottom surface is attached to the second upper surface of the lower magnetic core, the center pillar is positioned between the first lower surface of the upper magnetic core and the second upper surface of the lower magnetic core, the hollow structure of the surrounding part is penetrated, and the winding is surrounded on the center pillar and positioned between the center pillar and the surrounding part.
Description
Technical Field
The present utility model relates to an inductance device, and more particularly, to an inductance device with low loss and good efficiency.
Background
Typically, the motor has an inductive element therein to resist the momentary high current. The conventional inductance element includes a toroidal core and a winding wound around the toroidal core, and when the inductance element is disposed in the motor, the winding may be in direct contact with other elements in the motor, resulting in a risk of short circuit. In addition, the total harmonic voltage distortion ratio (VoltageTotalHarmonicsDistortion, VTHD) of the conventional inductance element has a higher value of the power loss, for example, on the premise that the power factor is 1, the total harmonic voltage distortion ratio of the conventional inductance element is 2.28, the total harmonic voltage distortion ratio of the conventional inductance element is 25% and the power loss is 2.17, the total harmonic voltage distortion ratio of the conventional inductance element is 50% and the power loss is 2.68, the total harmonic voltage distortion ratio of the conventional inductance element is 75% and the power loss is 3.17, the total harmonic voltage distortion ratio of the conventional inductance element is 100% and the power loss of the conventional inductance element is 3.51, and on the premise that the power factor is 0.9, the total harmonic voltage distortion ratio of the conventional inductance element is 25% and the power loss of the conventional inductance element is 5.08, the total harmonic voltage distortion ratio of the conventional inductance element is 50% and the power loss of the conventional inductance element is 9.71, the total harmonic voltage distortion ratio of the conventional inductance element is 6, the total harmonic voltage distortion ratio of the conventional inductance element is 6.7, and the total harmonic loss of the conventional inductance element is further reduced, and the total harmonic distortion ratio is further reduced, and the conventional inductance is further reduced.
Therefore, how to develop an inductance device that overcomes the above-mentioned drawbacks is an urgent need.
Disclosure of Invention
The present utility model provides an inductance element, wherein a magnetic core set of the inductance element has an upper magnetic core, a lower magnetic core, a surrounding portion and a center pillar, the center pillar is disposed through a hollow structure of the surrounding portion, so that a surrounding body of the surrounding portion surrounds the center pillar, and a winding is disposed between the center pillar and the surrounding body of the surrounding portion, so that the winding is protected inside the magnetic core set by the surrounding portion, and the winding can avoid direct contact with other elements. In addition, the inductance element can obtain lower power loss and better efficiency through the structural arrangement, so that the rotating speed of a motor applying the inductance element is higher. Furthermore, a gap is formed between the winding body of the surrounding part of the inductance element and the winding, so that the winding is less likely to be damaged due to friction with the winding body of the surrounding part, and the utilization rate of the winding is improved.
To achieve the above objective, one embodiment of the present utility model is an inductance element, which includes a magnetic core set and a winding. The magnetic core group comprises an upper magnetic core, a lower magnetic core, a surrounding part and a center pillar. The upper magnetic core is provided with a first upper surface and a first lower surface which are oppositely arranged. The lower magnetic core is provided with a second upper surface and a second lower surface which are oppositely arranged, and the second upper surface of the lower magnetic core is positioned between the second lower surface and the first lower surface of the upper magnetic core. The surrounding part is provided with a surrounding body and a hollow structure, the surrounding body is provided with a top surface and a bottom surface, the hollow structure penetrates through the top surface and the bottom surface, the top surface is attached to the first lower surface of the upper magnetic core, and the bottom surface is attached to the second upper surface of the lower magnetic core. The center pillar is positioned between the first lower surface of the upper magnetic core and the second upper surface of the lower magnetic core, and penetrates through the hollow structure of the surrounding part. The winding surrounds the center pillar and is positioned between the center pillar and the surrounding portion.
According to an embodiment of the present disclosure, the lower core and the center pillar are integrally formed.
According to an embodiment of the present utility model, the surrounding body of the surrounding portion further includes a surrounding wall surface located between the top surface and the bottom surface, and the surrounding wall surface further includes a wire outlet hole, where the wire outlet hole is formed by a side of the surrounding wall surface, which is close to the bottom surface, being concave toward the top surface.
According to an embodiment of the present utility model, the upper magnetic core includes a first surrounding wall surface located between the first upper surface and the first lower surface, the lower magnetic core includes a second surrounding wall surface located between the second upper surface and the second lower surface, the surrounding body of the surrounding portion further includes a third surrounding wall surface located between the top surface and the bottom surface, wherein an outer surface of the third surrounding wall surface is coplanar with an outer surface of the first surrounding wall surface and an outer surface of the second surrounding wall surface.
According to one embodiment, a gap is provided between the surrounding portion and the winding.
According to an embodiment of the present disclosure, the upper core is an alloy upper core or a ferrite upper core.
According to an embodiment of the present disclosure, the surrounding portion is an alloy surrounding portion or a ferrite surrounding portion.
According to an embodiment of the present disclosure, the lower magnetic core is an alloy lower magnetic core, and the middle pillar is an alloy middle pillar.
According to an embodiment of the present utility model, the power of the product applied by the inductance element is more than 800 watts.
Drawings
Fig. 1 is a schematic diagram of a combined structure of an inductance element disposed in a housing;
FIG. 2 is a schematic diagram of an exploded structure of the inductive element shown in FIG. 1;
fig. 3 is a cross-sectional structural view of the inductance element shown in fig. 1 along A-A'.
[ symbolic description ]
1: inductance element
2: shell body
3: magnetic core group
31: upper magnetic core
311: a first upper surface
312: a first lower surface
313: a first surrounding wall surface
32: lower magnetic core
321: a second upper surface
322: a second lower surface
323: a second surrounding wall surface
33: surrounding part
331: surrounding body
332: hollow structure
333: top surface
334: bottom surface
335: third surrounding wall surface
336: wire hole
34: center pillar
4: winding
5: gap of
Detailed Description
Some exemplary embodiments that exhibit the features and advantages of the present disclosure are described in detail in the following description. It will be understood that various changes can be made in the above-described embodiments without departing from the scope of the utility model, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of a combined structure of an inductance element disposed in a housing, and fig. 2 is a schematic diagram of an exploded structure of the inductance element shown in fig. 1. In the present embodiment, the inductance element 1 is disposed in a housing of a motor (not shown), only a part of the housing 2 of the motor is shown in fig. 1 and 2, and the product of the motor may be, but is not limited to, uninterruptible power system (UninterruptiblePower Supply, UPS), wherein the power of the motor is above 1000 watts. In other embodiments, the power of the product applied by the inductance element 1 of the present application may be more than 800 watts. As shown in fig. 1 and 2, the inductance element 1 of the present embodiment includes a core set 3 and a winding 4.
The core set 3 includes an upper core 31, a lower core 32, a surrounding portion 33, and a center leg 34. The upper core 31 is of a sheet-like structure to constitute an I-type core, and the upper core 31 is composed of an alloy material or a ferrite material. As shown in fig. 2, the upper core 31 has a first upper surface 311, a first lower surface 312, and a first surrounding wall 313. The first upper surface 311 and the first lower surface 312 are disposed opposite to each other and located on opposite sides of the upper core 31, and the first surrounding wall 313 is located between the first upper surface 311 and the first lower surface 312. The lower core 32 has a sheet-like structure, and the lower core 32 is made of an alloy material. As shown in fig. 1 and 2, the lower core 32 and the upper core 31 are respectively located at two opposite sides of the core set 3, and the lower core 32 has a second upper surface 321, a second lower surface 322 and a second surrounding wall 323. The second upper surface 321 and the second lower surface 322 are disposed opposite to each other and are located at opposite sides of the lower core 32, the second upper surface 321 of the lower core 32 is located between the second lower surface 322 and the first lower surface 312 of the upper core 31, the first lower surface 312 of the upper core 31 is located between the first upper surface 311 and the second upper surface 321 of the lower core 32, and the second surrounding wall 323 is located between the second upper surface 321 and the second lower surface 322.
The surrounding portion 33 is made of an alloy material or a ferrite material, and has a surrounding body 331 and a hollow structure 332, and the surrounding portion 33 forms a Q-type magnetic core. As shown in fig. 2, the surrounding body 331 has a top surface 333, a bottom surface 334 and a third surrounding wall surface 335, the top surface 333 and the bottom surface 334 are disposed opposite to each other and located on opposite sides of the surrounding body 331, and the third surrounding wall surface 335 is located between the top surface 333 and the bottom surface 334. The hollow structure 332 extends through the top surface 333 and the bottom surface 334. In the present embodiment, the top surface 333 of the surrounding body 331 of the surrounding portion 33 is attached to the first lower surface 312 of the upper magnetic core 31, and the bottom surface 334 of the surrounding body 331 of the surrounding portion 33 is attached to the second upper surface 321 of the lower magnetic core 32. The middle leg 34 is made of alloy material and is located between the first lower surface 312 of the upper magnetic core 31 and the second upper surface 321 of the lower magnetic core 32, and in this embodiment, the middle leg 34 and the lower magnetic core 32 are integrally formed to form a T-shaped magnetic core. As shown in fig. 1 and 2, the middle post 34 is disposed through the hollow structure 332 of the surrounding portion 33, and further can be attached to the first lower surface 312 of the upper magnetic core 31. The winding 4 surrounds the center post 34 and is located between the center post 34 and the surrounding body 331 of the surrounding portion 33.
As can be seen from the above, the magnetic core set 3 of the inductance element 1 of the present disclosure has the upper magnetic core 31, the lower magnetic core 32, the surrounding portion 33 and the middle pillar 34, the middle pillar 34 is disposed through the hollow structure 332 of the surrounding portion 33, so that the surrounding body 331 of the surrounding portion 33 surrounds the middle pillar 34, and the winding 4 is disposed between the middle pillar 34 and the surrounding body 331 of the surrounding portion 33, so that the winding 4 is protected inside the magnetic core set 3 by the surrounding portion 33, and the winding 4 can avoid direct contact with other elements, therefore, compared with the conventional inductance element, the inductance element 1 of the present disclosure is less likely to contact with other elements to cause short circuit, and thus the inductance element 1 of the present disclosure has better usability. In addition, the inductance element 1 of the present embodiment can obtain a low power loss through the above configuration, for example, on the premise that the power factor is 1, the power loss corresponding to the case where the total distortion of the harmonic voltage of the inductance element 1 is 0% is 2.25, the power loss corresponding to the case where the total distortion of the harmonic voltage of the inductance element 1 is 25% is 2.47, the power loss corresponding to the case where the total distortion of the harmonic voltage of the inductance element 1 is 50% is 2.29, the power loss corresponding to the case where the total distortion of the harmonic voltage of the inductance element 1 is 75% is 2.55, the power loss corresponding to the case where the total distortion of the harmonic voltage of the inductance element 1 is 100% is 3.1, the power loss corresponding to the case where the total distortion of the harmonic voltage of the inductance element 1 is 25% is 3.79, the power loss corresponding to the case where the total distortion of the harmonic voltage of the inductance element 1 is 50% is 5.9, the power loss corresponding to the case where the total distortion of the harmonic voltage of the inductance element 1 is 75% is 5.51, the power loss corresponding to the case where the total distortion of the harmonic voltage of the inductance element 1 is 75%, and the total distortion of the inductance element is 100.51, and the total distortion of the inductance element is 1.51 can be obtained.
With continued reference to fig. 1 and 2, the third surrounding wall 335 of the surrounding body 331 of the surrounding portion 33 further includes a wire outlet hole 336, the wire outlet hole 336 is formed by recessing a side of the third surrounding wall 335 near the bottom surface 334 toward the top surface 333, wherein the winding 4 is connected to an external electronic component or a connection wire through the wire outlet hole 336. In one embodiment, the outer surface of the third surrounding wall 335 of the surrounding body 331 of the surrounding portion 33 is coplanar with the outer surface of the first surrounding wall 313 of the upper magnetic core 31 and the outer surface of the second surrounding wall 323 of the lower magnetic core 32.
Please refer to fig. 3 in conjunction with fig. 1 and fig. 2, wherein fig. 3 is a cross-sectional view of the inductor shown in fig. 1 along A-A'. As shown in fig. 3, a gap 5 is provided between the winding body 331 of the surrounding portion 33 and the winding 4 of the inductance element 1, and the winding 4 is separated from the winding 4 by the gap 5, and the winding 4 is less likely to be damaged by friction with the winding body 331 of the surrounding portion 33, so as to improve the usage of the winding 4.
In summary, the magnetic core set of the inductance element of the present disclosure has an upper magnetic core, a lower magnetic core, a surrounding portion and a center pillar, wherein the center pillar is disposed through the hollow structure of the surrounding portion, so that the surrounding body of the surrounding portion surrounds the center pillar, and the winding is disposed between the center pillar and the surrounding body of the surrounding portion, so that the winding is protected inside the magnetic core set by the surrounding portion, and the winding can avoid direct contact with other elements. In addition, the inductance element can obtain lower power loss and better efficiency through the structural arrangement, so that the rotating speed of a motor applying the inductance element is higher. Furthermore, a gap is formed between the winding body of the surrounding part of the inductance element and the winding, so that the winding is less likely to be damaged due to friction with the winding body of the surrounding part, and the utilization rate of the winding is improved.
Claims (9)
1. An inductive element, comprising:
a magnetic core assembly, comprising:
an upper magnetic core having a first upper surface and a first lower surface disposed opposite to each other;
a lower magnetic core having a second upper surface and a second lower surface disposed opposite to each other, the second upper surface of the lower magnetic core being located between the second lower surface and the first lower surface of the upper magnetic core;
the surrounding part is provided with a surrounding body and a hollow structure, the surrounding body is provided with a top surface and a bottom surface, the hollow structure penetrates through the top surface and the bottom surface, the top surface is attached to the first lower surface of the upper magnetic core, and the bottom surface is attached to the second upper surface of the lower magnetic core; and
a middle column, which is positioned between the first lower surface of the upper magnetic core and the second upper surface of the lower magnetic core and penetrates through the hollow structure of the surrounding part; and
and a winding surrounding the center pillar and located between the center pillar and the surrounding portion.
2. The inductive component of claim 1, wherein said lower core and said center leg are integrally formed.
3. The inductive component of claim 1, wherein said surrounding body of said surrounding portion further comprises a surrounding wall between said top surface and said bottom surface, said surrounding wall further comprising a wire hole, said wire hole being formed by a side of said surrounding wall adjacent to said bottom surface being recessed toward said top surface.
4. The inductive component of claim 1, wherein said upper core comprises a first surrounding wall disposed between said first upper surface and said first lower surface, said lower core comprises a second surrounding wall disposed between said second upper surface and said second lower surface, said surrounding body of said surrounding portion further comprises a third surrounding wall disposed between said top surface and said bottom surface, wherein an outer surface of said third surrounding wall is coplanar with an outer surface of said first surrounding wall and an outer surface of said second surrounding wall.
5. The inductive component of claim 1, wherein there is a gap between said surrounding portion and said winding.
6. The inductive component of claim 1, wherein said upper core is an alloy upper core or a ferrite upper core.
7. The inductive component of claim 1, wherein the surround is an alloy surround or a ferrite surround.
8. The inductive component of claim 1, wherein said lower core is an alloy lower core and said center leg is an alloy center leg.
9. The inductive component of claim 1, wherein the inductive component is applied with a power of 800 watts or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223493864.0U CN219418734U (en) | 2022-12-27 | 2022-12-27 | Inductance element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223493864.0U CN219418734U (en) | 2022-12-27 | 2022-12-27 | Inductance element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219418734U true CN219418734U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223493864.0U Active CN219418734U (en) | 2022-12-27 | 2022-12-27 | Inductance element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219418734U (en) |
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- 2022-12-27 CN CN202223493864.0U patent/CN219418734U/en active Active
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