CN220526732U - Combined inductor - Google Patents
Combined inductor Download PDFInfo
- Publication number
- CN220526732U CN220526732U CN202321614303.3U CN202321614303U CN220526732U CN 220526732 U CN220526732 U CN 220526732U CN 202321614303 U CN202321614303 U CN 202321614303U CN 220526732 U CN220526732 U CN 220526732U
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- 238000004804 winding Methods 0.000 claims abstract description 38
- 239000010410 layer Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 230000008093 supporting effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model discloses a combined inductor, comprising: the first magnetic core comprises a magnetic plate and a magnetic column arranged on the magnetic plate, and the magnetic plate is in a cross shape; the second magnetic core comprises a rectangular magnetic core body, and a rectangular accommodating groove is formed in the middle of the rectangular magnetic core body; a coil winding including a main body portion, and a first pin and a second pin led out from the main body portion; the main body of the coil winding is wound on the magnetic column of the first magnetic core, the first pin and the second pin of the coil winding are all extended to the bottom of the magnetic plate, the first pin and the second pin are all bent and extended to the bottom of the magnetic plate, and the coil winding is arranged in the rectangular accommodating groove of the second magnetic core. The combined inductor provided by the utility model has the advantages that the structure is simple, the use is convenient, the coil winding is sleeved through the first magnetic core, the noise is avoided, meanwhile, the first magnetic core and the second magnetic core both have supporting effects on the coil winding, so that the coil winding is smaller in deformation, and the product stability is better.
Description
Technical Field
The utility model relates to the technical field of inductors, in particular to a combined inductor.
Background
The existing inductor coil winding is large in deformation in the manufacturing process due to lack of support, and defective products are easy to occur.
Based on the above situation, the present utility model provides a combined inductor, which can effectively solve the above problems.
Disclosure of Invention
The utility model aims to provide a combined inductor. The combined inductor provided by the utility model has the advantages that the structure is simple, the use is convenient, the coil winding is sleeved through the first magnetic core, the noise is avoided, meanwhile, the first magnetic core and the second magnetic core both have supporting effects on the coil winding, so that the coil winding is smaller in deformation, and the product stability is better.
The utility model is realized by the following technical scheme:
a combined inductor, comprising:
the first magnetic core comprises a magnetic plate and a magnetic column arranged on the magnetic plate, and the magnetic plate is in a cross shape;
the second magnetic core comprises a rectangular magnetic core body, and a rectangular accommodating groove is formed in the middle of the rectangular magnetic core body;
a coil winding including a main body portion, and a first pin and a second pin led out from the main body portion;
the main body of the coil winding is wound on the magnetic column of the first magnetic core, the first pin and the second pin of the coil winding are all extended to the bottom of the magnetic plate, the first pin and the second pin are all bent and extended to the bottom of the magnetic plate, and the coil winding is arranged in the rectangular accommodating groove of the second magnetic core.
The utility model aims to provide a combined inductor. The combined inductor provided by the utility model has the advantages that the structure is simple, the use is convenient, the coil winding is sleeved through the first magnetic core, the noise is avoided, meanwhile, the first magnetic core and the second magnetic core both have supporting effects on the coil winding, so that the coil winding is smaller in deformation, and the product stability is better.
Preferably, the surfaces of the first pin and the second pin which are positioned at the bottom of the magnetic plate are electroplated with metal layers, and the surfaces of the first magnetic core, the second magnetic core and the coil winding combination are provided with protective layers except the metal layers.
Preferably, the protective layer is an epoxy layer.
Compared with the prior art, the utility model has the following advantages:
1. because the utility model is a totally-enclosed magnetic shielding structure, the electromagnetic interference resistance is strong;
2. because the first magnetic core is tightly combined with the coil winding, the noise problem can be avoided;
3. because no welding terminal exists, the impedance value is reduced to a certain extent, the risk of open circuit and short circuit is reduced, and meanwhile, the production cost is reduced;
4. the two magnetic cores have supporting and positioning effects on the coil winding, so that the coil winding is less in deformation and better in product stability;
6. the lead preforming can avoid the damage problem of the first magnetic core structure and improve the yield of the process;
7. the assembly and the hot press forming are completed in the forming die of the second magnetic core, so that the types of die jigs and the switching frequency are reduced, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an assembled structure of a first magnetic core, a second magnetic core and a coil winding according to the present utility model;
FIG. 3 is a schematic view of a first magnetic core according to the present utility model;
FIG. 4 is a schematic diagram of a second magnetic core according to the present utility model;
fig. 5 is a schematic diagram of an assembled structure of a first magnetic core and a coil winding according to the present utility model.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 5, the present utility model provides a combined inductor comprising:
the first magnetic core 1 comprises a magnetic plate 11 and a magnetic column 12 arranged on the magnetic plate 11, wherein the magnetic plate 11 is in a cross shape;
the second magnetic core 2 comprises a rectangular magnetic core body, and a rectangular accommodating groove 21 is formed in the middle of the rectangular magnetic core body;
a coil winding 3 including a main body 31, a first pin 32 and a second pin 33 led out from the main body 31;
the main body 31 of the coil winding 3 is wound on the magnetic pole 12 of the first magnetic core 1, the first pin 32 and the second pin 33 of the coil winding 3 extend to the bottom of the magnetic plate 11, the first pin 32 and the second pin 33 bend and extend to the bottom of the magnetic plate 11, and the coil winding 3 is disposed in the rectangular receiving slot 21 of the second magnetic core 2.
Example 2:
as shown in fig. 1 to 5, the present utility model provides a combined inductor comprising:
the first magnetic core 1 comprises a magnetic plate 11 and a magnetic column 12 arranged on the magnetic plate 11, wherein the magnetic plate 11 is in a cross shape;
the second magnetic core 2 comprises a rectangular magnetic core body, and a rectangular accommodating groove 21 is formed in the middle of the rectangular magnetic core body;
a coil winding 3 including a main body 31, a first pin 32 and a second pin 33 led out from the main body 31;
the main body 31 of the coil winding 3 is wound on the magnetic pole 12 of the first magnetic core 1, the first pin 32 and the second pin 33 of the coil winding 3 extend to the bottom of the magnetic plate 11, the first pin 32 and the second pin 33 bend and extend to the bottom of the magnetic plate 11, and the coil winding 3 is disposed in the rectangular receiving slot 21 of the second magnetic core 2.
The welding process of the conductive terminal is canceled, the quality stability is improved, and the short circuit and open circuit risk is reduced.
Further, in another embodiment, the surfaces of the first pin 32 and the second pin 33 located at the bottom of the magnetic plate 11 are electroplated with a metal layer 4, and the combined surfaces of the first magnetic core 1, the second magnetic core 2 and the coil winding 3 are provided with a protective layer 5 except for the metal layer 4.
Further, in another embodiment, the protective layer 5 is an epoxy layer.
The epoxy resin layer has good heat resistance and good electrical insulation; can be used for a long time well, and can protect electric appliances better.
The combined inductor of the present utility model can be easily manufactured or used by those skilled in the art based on the description of the present utility model and the accompanying drawings, and can produce the positive effects described in the present utility model.
Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional relationship indicated is based on the positional relationship indicated in the drawings, and is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the present utility model are merely for exemplary illustration and should not be construed as limitations of the present patent, and it is possible for those skilled in the art to understand the specific meaning of the above terms in conjunction with the drawings and according to the specific circumstances.
Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.
Claims (3)
1. A combination inductor, comprising:
the first magnetic core comprises a magnetic plate and a magnetic column arranged on the magnetic plate, and the magnetic plate is in a cross shape;
the second magnetic core comprises a rectangular magnetic core body, and a rectangular accommodating groove is formed in the middle of the rectangular magnetic core body;
a coil winding including a main body portion, and a first pin and a second pin led out from the main body portion;
the main body of the coil winding is wound on the magnetic column of the first magnetic core, the first pin and the second pin of the coil winding are all extended to the bottom of the magnetic plate, the first pin and the second pin are all bent and extended to the bottom of the magnetic plate, and the coil winding is arranged in the rectangular accommodating groove of the second magnetic core.
2. The combined inductor of claim 1, wherein: the surfaces of the first pin and the second pin which are positioned at the bottom of the magnetic plate are electroplated with metal layers, and the surfaces of the first magnetic core, the second magnetic core and the coil winding combination are provided with protective layers except the metal layers.
3. The combined inductor of claim 2, wherein: the protective layer is an epoxy resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321614303.3U CN220526732U (en) | 2023-06-25 | 2023-06-25 | Combined inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321614303.3U CN220526732U (en) | 2023-06-25 | 2023-06-25 | Combined inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220526732U true CN220526732U (en) | 2024-02-23 |
Family
ID=89929373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321614303.3U Active CN220526732U (en) | 2023-06-25 | 2023-06-25 | Combined inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220526732U (en) |
-
2023
- 2023-06-25 CN CN202321614303.3U patent/CN220526732U/en active Active
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