CN111968839A - Transformer and inductance device - Google Patents
Transformer and inductance device Download PDFInfo
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- CN111968839A CN111968839A CN202010817972.5A CN202010817972A CN111968839A CN 111968839 A CN111968839 A CN 111968839A CN 202010817972 A CN202010817972 A CN 202010817972A CN 111968839 A CN111968839 A CN 111968839A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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Abstract
The invention discloses a transformer and an inductance device. A transformer includes a core assembly, a first winding group and a second winding group. The iron core component comprises a first end, a second end, a third end, a fourth end, a fifth end, a sixth end, a seventh end and an eighth end. The iron core assembly comprises a first winding space and a second winding space. The first end and the third end are arranged at one side of the first winding space. The second end and the fourth end are arranged at the other side of the first winding space. The fifth end and the seventh end are arranged at one side of the second winding space. The sixth end and the eighth end are disposed at the other side of the second winding space. The first winding group is arranged in the first winding space. The second winding group is arranged in the second winding space. The third end and the fifth end of the iron core component are electrically connected. The fourth end and the sixth end of the iron core assembly are electrically connected.
Description
Technical Field
The present invention relates to a transformer and an inductor, and more particularly, to a transformer and an inductor including two receiving spaces.
Background
The traditional transformer and the inductance device respectively need respective specific iron core components, and the cost and the time in design cannot be effectively reduced.
Therefore, how to provide a transformer and an inductor device using the same core component has become one of the important issues to be solved by the industry.
Disclosure of Invention
The present invention provides a transformer, which includes an iron core assembly, a first winding set and a second winding set. The iron core assembly comprises a first end, a second end, a third end, a fourth end, a fifth end, a sixth end, a seventh end and an eighth end, the iron core assembly comprises a first winding space and a second winding space, the first end and the third end are arranged on one side of the first winding space, the second end and the fourth end are arranged on the other side of the first winding space, the fifth end and the seventh end are arranged on one side of the second winding space, and the sixth end and the eighth end are arranged on the other side of the second winding space; a first winding group is wound in the first winding space; a second winding group is wound in the second winding space; wherein, the third end of iron core subassembly with fifth end electric connection, the iron core subassembly the fourth end and sixth end electric connection.
Preferably, the first winding group comprises a first winding and a second winding, the second winding group comprises a third winding and a fourth winding, a first end and a second end of the first winding are disposed on the iron core assembly, the first end and the third end are disposed on the iron core assembly, a first end and a second end of the second winding are disposed on the iron core assembly, the second end and the fourth end are disposed on the iron core assembly, a first end and a second end of the third winding are disposed on the iron core assembly, the fifth end and the seventh end are disposed on the iron core assembly, and a first end and a second end of the fourth winding are disposed on the iron core assembly, the sixth end and the eighth end are disposed on the iron core assembly.
Preferably, the third end of the core assembly is electrically connected to the fifth end through a first circuit connection path of a circuit board, and the fourth end of the core assembly is electrically connected to the sixth end through a second circuit connection path of the circuit board.
The invention also discloses a transformer which comprises an iron core component, a first winding, a second winding, a third winding and a fourth winding. The iron core assembly comprises a first end, a second end, a third end, a fourth end, a fifth end, a sixth end, a seventh end and an eighth end, the iron core assembly comprises a first winding space and a second winding space, the first end and the third end are arranged on one side of the first winding space, the second end and the fourth end are arranged on the other side of the first winding space, the fifth end and the seventh end are arranged on one side of the second winding space, and the sixth end and the eighth end are arranged on the other side of the second winding space; a first winding wound in the first winding space or the second winding space; a second winding wound in the first winding space or the second winding space; a third winding wire is wound in the first winding wire space or the second winding wire space; a fourth winding wire is wound in the first winding wire space or the second winding wire space; the first winding, the second winding, the third winding and the fourth winding are commonly set as a first transformer unit and a second transformer unit.
Preferably, the first and second windings are disposed in the first winding space, and the third and fourth windings are disposed in the second winding space.
Preferably, the first winding and the second winding are commonly provided as the first transformer, and the third winding and the fourth winding are commonly provided as the second transformer.
Preferably, the first winding and the fourth winding are commonly provided as the first transformer, and the second winding and the third winding are commonly provided as the second transformer.
Preferably, first wire-wound first end and second end set up the iron core subassembly first end and the third end, establish respectively second wire-wound first end and second end the iron core subassembly the sixth end and the eighth end, third wire-wound first end and second end set up respectively the iron core subassembly the second end and the fourth end, fourth wire-wound first end and second end set up respectively the iron core subassembly the fifth end and the seventh end, first wire-wound and the second wire-wound set up jointly into first transformer unit, the third wire-wound and the fourth wire-wound set up jointly into second transformer unit.
The invention also discloses an inductance device which comprises an iron core component, a first winding group and a second winding group. The iron core assembly comprises a first end, a second end, a third end, a fourth end, a fifth end, a sixth end, a seventh end and an eighth end, the iron core assembly comprises a first winding space and a second winding space, the first end and the third end are arranged on one side of the first winding space, the second end and the fourth end are arranged on the other side of the first winding space, the fifth end and the seventh end are arranged on one side of the second winding space, and the sixth end and the eighth end are arranged on the other side of the second winding space; the first winding group is wound in the first winding space and comprises a first winding and a second winding; a second winding group is wound in the second winding space, and the second winding group comprises a third winding and a fourth winding; wherein, first wire winding and the respective first end of second wire winding sets up respectively the iron core subassembly first end and the second end, first wire winding and the respective second end of second wire winding sets up respectively the iron core subassembly the third end and the fourth end, the third wire winding and the respective first end of fourth wire winding sets up respectively the iron core subassembly the fifth end and the sixth end, the third wire winding and the respective second end of fourth wire winding sets up respectively the seventh end and the eighth end.
Preferably, the third end of the core assembly is electrically connected to the fifth end, the fourth end of the core assembly is electrically connected to the sixth end.
Preferably, the third end of the core assembly is electrically connected to the fifth end through a first circuit connection path of a circuit board, and the fourth end of the core assembly is electrically connected to the sixth end through a second circuit connection path of the circuit board.
The invention has the advantages that the same iron core assembly is utilized, and various transformers and inductance devices are provided by different winding arrangement modes, so that the cost can be reduced, the design time and cost can be reduced, and the research and development time can be accelerated.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
Fig. 1 is a schematic view of a core assembly according to a first embodiment of the present invention.
Fig. 2 is a schematic view of the core assembly according to the first embodiment of the present invention, in which the first winding groups and the second winding groups are disposed.
Fig. 3 is a schematic diagram of the first winding group and the second winding group according to the first embodiment of the present invention.
Fig. 4 is a schematic diagram of the core assembly, the first winding set, the second winding set and the circuit board according to the first embodiment of the invention.
Fig. 5 is a schematic view of a core assembly according to a second embodiment of the present invention.
Fig. 6 is a first schematic diagram of a transformer according to a second embodiment of the present invention.
Fig. 7 is a second schematic diagram of a transformer according to a second embodiment of the present invention.
Fig. 8 is a third schematic diagram of a transformer according to a second embodiment of the present invention.
Fig. 9 is a schematic view of a core assembly according to a third embodiment of the present invention.
Fig. 10 is a schematic view of an inductance device according to a third embodiment of the present invention.
Fig. 11 is a schematic view of a core assembly, a first winding set, a second winding set and a circuit board according to a third embodiment of the invention.
Detailed Description
The following description is provided for the embodiments of the "transformer and inductor" disclosed in the present application by specific embodiments, and those skilled in the art can understand the advantages and effects of the present invention from the disclosure of the present application. The invention is capable of other and different embodiments and its several details are capable of modifications and various changes in detail, all without departing from the spirit and scope of the present invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.
[ first embodiment ]
Referring to fig. 1, 2 and 3, fig. 1 is a schematic view of an iron core assembly according to a first embodiment of the present invention. Fig. 2 is a schematic view of the core assembly according to the first embodiment of the present invention, in which the first winding groups and the second winding groups are disposed. Fig. 3 is a schematic diagram of the first winding group and the second winding group according to the first embodiment of the present invention.
Referring to fig. 1 and fig. 2, in the present embodiment, a transformer 1 includes an iron core assembly 10, a first winding set 11, and a second winding set 12.
The core assembly 10 includes eight foot joints. Respectively, a first terminal a, a second terminal B, a third terminal C, a fourth terminal D, a fifth terminal E, a sixth terminal F, a seventh terminal G, and an eighth terminal H. The core assembly 10 further includes a first winding space S1 and a second winding space S2. The first winding space S1 and the second winding space S2 are adjacently disposed. In the present invention, the core assembly 10 includes two accommodating spaces, and a plurality of connecting pins are added, so that different connection changes of the winding set can be provided. The addition of core assembly parameters can be expected to speed up development time and cost.
The first end a and the third end C are disposed at one side of the first winding space S1. The second end B and the fourth end D are disposed at the other side of the first winding space S1. That is, the first and third terminals a and C, and the second and fourth terminals B and D are respectively disposed at both sides of the first winding space S1. The fifth end E and the seventh end G are disposed at one side of the second winding space S2. The sixth and eighth ends F and H are disposed at the other side of the second winding space S2. That is, the fifth end E and the seventh end G, and the sixth end F and the eighth end H are respectively disposed at both sides of the second winding space S2.
The first winding group 11 is wound in the first winding space S1. The second winding group 12 is wound in the second winding space S2.
As shown in fig. 3, the third terminal C and the fifth terminal E of the core assembly 10 of the transformer 1 are electrically connected to each other. The fourth end D and the sixth end F of the core assembly 10 are also electrically connected to each other.
The first winding set 11 includes a first winding 111 and a second winding 112. The second winding group 12 includes a third winding 121 and a fourth winding 122. A first end 111A and a second end 111B of the first winding 111 are disposed at the first end a and the third end C of the core assembly 10. A first end 112A and a second end 112B of the second winding 112 are disposed at the second end B and the fourth end D of the core assembly 10. A first end 121A and a second end 121B of the third winding 121 are disposed at the fifth end E and the seventh end G of the core assembly 10. A first end 122A and a second end 122B of the fourth winding 122 are disposed at the sixth end F and the eighth end H of the core assembly 10.
Referring to fig. 4, fig. 4 is a schematic diagram of the core assembly, the first winding set, the second winding set and the circuit board according to the first embodiment of the invention.
As shown in fig. 4, the third terminal C of the core assembly 10 is electrically connected to the fifth terminal E through a first circuit connection path 31 of a circuit board 3. The fourth end D of the core assembly 10 is electrically connected to the sixth end F through a second circuit connecting path 32 of the circuit board 3.
The first circuit connection path 31 and the second circuit connection path 32 may be copper foils or metal jumpers on a circuit board. The circuit board 3 may be a single-layer circuit board, a double-sided circuit board or a multi-layer circuit board.
[ second embodiment ]
Referring to fig. 5, 6, 7 and 8, fig. 5 is a schematic view of an iron core assembly according to a second embodiment of the present invention. Fig. 6 is a first schematic diagram of a transformer according to a second embodiment of the present invention. Fig. 7 is a second schematic diagram of a transformer according to a second embodiment of the present invention. Fig. 8 is a third schematic diagram of a transformer according to a second embodiment of the present invention.
Referring to fig. 5, the transformer 5 includes a core assembly 50, a first winding 51, a second winding 52, a third winding 53 and a fourth winding 54.
The core assembly 50 includes a first end a, a second end B, a third end C, a fourth end D, a fifth end E, a sixth end F, a seventh end G, and an eighth end H. The core assembly 50 includes a first winding space S1 and a second winding space S2. The first end a and the third end C are disposed at one side of the first winding space S1. The second end B and the fourth end D are disposed at the other side of the first winding space S1. That is, the first and third terminals a and C, the second and fourth terminals B and D are disposed at opposite sides of the first winding space S1. The fifth end E and the seventh end G are disposed at one side of the second winding space S2. The sixth and eighth ends F and H are disposed at the other side of the second winding space S2. That is, the fifth and seventh terminals E and G, and the sixth and eighth terminals F and H are disposed at opposite sides of the second winding space S2. Similarly, the core assembly 50 of the present embodiment is the same core assembly as the core assembly 10, and includes two accommodating spaces, and a plurality of connecting pins are added to provide different connection changes of the winding groups. The addition of core assembly parameters can be expected to speed up development time and cost.
Referring to fig. 6, the first winding wire 51 may be wound in the first winding space S1 or the second winding space S2. The second winding wire 52 may be wound in the first winding wire space S1 or the second winding wire space S2. The third winding wire 53 may be wound in the first winding wire space S1 or the second winding wire space S2. The fourth winding wire 54 may be wound in the first winding wire space S1 or the second winding wire space S2. Also, the first, second, third and fourth windings 51, 52, 53 and 54 are commonly provided as a first transformer unit T1 and a second transformer unit T2.
That is, the first, second, third and fourth windings 51, 52, 53 and 54 may be paired and arranged as the first and second transformer units T1 and T2, respectively.
The first and second winding wires 51 and 52 are disposed in the first winding wire space S1, and may be commonly disposed as the first transformer unit T1. The third winding wire 53 and the fourth winding wire 54 are disposed in the second winding wire space S2, and are commonly disposed as the second transformer unit T2.
Referring to fig. 7, similarly, the first winding 51 and the second winding 52 are disposed in the first winding space S1, and the third winding 53 and the fourth winding 54 are disposed in the second winding space S2. However, the first winding 51 and the fourth winding 54 are commonly disposed as a first transformer T1'. The second winding 52 and the third winding 53 are commonly provided as a second transformer T2'.
Referring to fig. 8, in the present embodiment, a first end 51A and a second end 51B of the first winding 51 are disposed at the first end a and the third end C of the core assembly 50. A first end 52A and a second end 52B of the second winding 52 are disposed at the sixth end F and the eighth end H of the core assembly 50, respectively. A first end 53A and a second end 53B of the third winding 53 are respectively disposed at the second end B and the fourth end D of the core assembly 50. A first end 54A and a second end 54B of the fourth winding 54 are disposed at the fifth end E and the seventh end G of the core assembly 50, respectively.
The first winding 51 and the second winding 52 are commonly provided as the first transformer unit T1 ″. The third winding wire 53 and the fourth winding wire 54 are commonly provided as the second transformer unit T2 ".
[ third embodiment ]
Referring to fig. 9, 10 and 11, fig. 9 is a schematic view of a core assembly according to a third embodiment of the present invention. Fig. 10 is a schematic view of an inductance device according to a third embodiment of the present invention. Fig. 11 is a schematic view of a core assembly, a first winding set, a second winding set and a circuit board according to a third embodiment of the invention.
In the present embodiment, the inductance device 7 includes a core assembly 70, a first winding set 71 and a second winding set 72. The first winding group 71 includes a first winding 711 and a second winding 712. The second winding group 72 includes a third winding 721 and a fourth winding 722.
The core assembly 70 includes a first end a, a second end B, a third end C, a fourth end D, a fifth end E, a sixth end F, a seventh end G, and an eighth end H. The core assembly 70 includes a first winding space S1 and a second winding space S2. The first end a and the third end C are disposed at one side of the first winding space S1. The second end B and the fourth end D are disposed at the other side of the first winding space S1. The fifth end E and the seventh end G are disposed at one side of the second winding space S2. The sixth and eighth ends F and H are disposed at the other side of the second winding space S2. Similarly, the core assembly 70 in this embodiment is the same as the core assemblies 10 and 50, and includes two accommodating spaces, and a plurality of connecting pins are added to provide different connection changes of the winding groups. The addition of core assembly parameters can be expected to speed up development time and cost.
The first winding group 71 is wound in the first winding space S1. The second winding group 72 is wound in the second winding space S2.
Referring to fig. 10, a first end of each of the first winding 711 and the second winding 712 is disposed at a first end a and a second end B of the core assembly 70, respectively. A second end of each of the first winding 711 and the second winding 712 is disposed at the third end C and the fourth end D of the core assembly 70. A first end of each of the third winding 721 and the fourth winding 722 is disposed at the fifth end E and the sixth end F of the core assembly 70, respectively. A second end of each of the third winding 721 and the fourth winding 722 is disposed at the seventh end G and the eighth end H, respectively.
In the present embodiment, the third terminal C of the core assembly 70 of the inductance device 7 is electrically connected to the fifth terminal E. The fourth end D of the core assembly 70 is electrically connected to the sixth end G.
Referring to fig. 11, the third terminal C of the core assembly 70 of the inductor 7 is electrically connected to the fifth terminal E through a first circuit connection path 81 of the circuit board 8.
The fourth end D of the core assembly 70 is electrically connected to the sixth end G through a second circuit connecting path 82 of the circuit board 8. The first circuit connection path 81 and the second circuit connection path 82 are respectively a copper foil or a metal jumper. The circuit board 8 is a single-layer circuit board, a double-sided circuit board or a multi-layer circuit board.
[ advantageous effects of the embodiments ]
The invention has the advantages that the same iron core assembly is utilized, and various transformers and inductance devices are provided by different winding arrangement modes, so that the cost can be reduced, the design time and cost can be reduced, and the research and development time can be accelerated.
The disclosure is only a preferred embodiment of the invention and should not be taken as limiting the scope of the invention, which is defined by the appended claims.
Claims (11)
1. A transformer, comprising:
the iron core assembly comprises a first end, a second end, a third end, a fourth end, a fifth end, a sixth end, a seventh end and an eighth end, the iron core assembly comprises a first winding space and a second winding space, the first end and the third end are arranged on one side of the first winding space, the second end and the fourth end are arranged on the other side of the first winding space, the fifth end and the seventh end are arranged on one side of the second winding space, and the sixth end and the eighth end are arranged on the other side of the second winding space;
the first winding group is wound in the first winding space; and
the second winding group is wound in the second winding space;
wherein, the third end of iron core subassembly with fifth end electric connection, the iron core subassembly the fourth end and sixth end electric connection.
2. The transformer of claim 1, wherein the first winding set includes a first winding and a second winding, the second winding set includes a third winding and a fourth winding, a first end and a second end of the first winding are disposed at the first end and the third end of the core assembly, a first end and a second end of the second winding are disposed at the second end and the fourth end of the core assembly, a first end and a second end of the third winding are disposed at the fifth end and the seventh end of the core assembly, and a first end and a second end of the fourth winding are disposed at the sixth end and the eighth end of the core assembly.
3. The transformer of claim 2, wherein the third end of the core assembly is electrically connected to the fifth end through a first circuit connection path of a circuit board, and the fourth end of the core assembly is electrically connected to the sixth end through a second circuit connection path of the circuit board.
4. A transformer, comprising:
the iron core assembly comprises a first end, a second end, a third end, a fourth end, a fifth end, a sixth end, a seventh end and an eighth end, the iron core assembly comprises a first winding space and a second winding space, the first end and the third end are arranged on one side of the first winding space, the second end and the fourth end are arranged on the other side of the first winding space, the fifth end and the seventh end are arranged on one side of the second winding space, and the sixth end and the eighth end are arranged on the other side of the second winding space;
a first winding wound in the first winding space or the second winding space;
a second winding wound in the first winding space or the second winding space;
a third winding wound in the first winding space or the second winding space; and
a fourth winding wound in the first winding space or the second winding space;
the first winding, the second winding, the third winding and the fourth winding are commonly set as a first transformer unit and a second transformer unit.
5. The transformer of claim 4, wherein the first winding and the second winding are disposed in the first winding space, and the third winding and the fourth winding are disposed in the second winding space.
6. The transformer of claim 4, wherein the first winding and the second winding are collectively configured as the first transformer, and the third winding and the fourth winding are collectively configured as the second transformer.
7. The transformer of claim 4, wherein the first winding and the fourth winding are collectively configured as the first transformer, and wherein the second winding and the third winding are collectively configured as the second transformer.
8. The transformer of claim 6, wherein a first end and a second end of the first winding are disposed at the first end and the third end of the core assembly, a first end and a second end of the second winding are disposed at the sixth end and the eighth end of the core assembly, respectively, a first end and a second end of the third winding are disposed at the second end and the fourth end of the core assembly, respectively, a first end and a second end of the fourth winding are disposed at the fifth end and the seventh end of the core assembly, respectively, the first winding and the second winding are collectively disposed as the first transformer unit, and the third winding and the fourth winding are collectively disposed as the second transformer unit.
9. An inductive device, comprising:
the iron core assembly comprises a first end, a second end, a third end, a fourth end, a fifth end, a sixth end, a seventh end and an eighth end, the iron core assembly comprises a first winding space and a second winding space, the first end and the third end are arranged on one side of the first winding space, the second end and the fourth end are arranged on the other side of the first winding space, the fifth end and the seventh end are arranged on one side of the second winding space, and the sixth end and the eighth end are arranged on the other side of the second winding space;
the first winding group is wound in the first winding space and comprises a first winding and a second winding; and
the second winding group is wound in the second winding space and comprises a third winding and a fourth winding;
wherein, first wire winding and the respective first end of second wire winding sets up respectively the iron core subassembly first end and the second end, first wire winding and the respective second end of second wire winding sets up respectively the iron core subassembly the third end and the fourth end, the third wire winding and the respective first end of fourth wire winding sets up respectively the iron core subassembly the fifth end and the sixth end, the third wire winding and the respective second end of fourth wire winding sets up respectively the seventh end and the eighth end.
10. The inductive device of claim 9, wherein the third end of the core assembly is electrically connected to the fifth end, the fourth end of the core assembly is electrically connected to the sixth end.
11. The inductive device of claim 10, wherein the third end of the core assembly is electrically connected to the fifth end through a first circuit connection path of a circuit board, and the fourth end of the core assembly is electrically connected to the sixth end through a second circuit connection path of the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817972.5A CN111968839A (en) | 2020-08-14 | 2020-08-14 | Transformer and inductance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817972.5A CN111968839A (en) | 2020-08-14 | 2020-08-14 | Transformer and inductance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111968839A true CN111968839A (en) | 2020-11-20 |
Family
ID=73365708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010817972.5A Pending CN111968839A (en) | 2020-08-14 | 2020-08-14 | Transformer and inductance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111968839A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3319697B2 (en) * | 1996-11-29 | 2002-09-03 | 太陽誘電株式会社 | Wound electronic component and method of manufacturing the same |
| CN201838449U (en) * | 2010-08-23 | 2011-05-18 | 陈进祥 | Combined transformer with multiple outputs |
| CN202230852U (en) * | 2011-09-22 | 2012-05-23 | 耀胜电子股份有限公司 | Winding structure |
| CN106960715A (en) * | 2012-12-19 | 2017-07-18 | Tdk株式会社 | Common-mode filter |
| CN108735475A (en) * | 2018-07-20 | 2018-11-02 | 台庆精密电子（昆山）有限公司 | integrated coil structure |
| CN109148107A (en) * | 2017-06-15 | 2019-01-04 | Tdk株式会社 | The manufacturing method of coil component, the circuit substrate for having it and coil component |
| US20190156984A1 (en) * | 2017-11-22 | 2019-05-23 | Tai-Tech Advanced Electronics Co., Ltd. | Transformer structure |
| CN210156230U (en) * | 2019-08-16 | 2020-03-17 | 庆邦电子元器件(泗洪)有限公司 | Transformer and common mode filter integrated element |
-
2020
- 2020-08-14 CN CN202010817972.5A patent/CN111968839A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3319697B2 (en) * | 1996-11-29 | 2002-09-03 | 太陽誘電株式会社 | Wound electronic component and method of manufacturing the same |
| CN201838449U (en) * | 2010-08-23 | 2011-05-18 | 陈进祥 | Combined transformer with multiple outputs |
| CN202230852U (en) * | 2011-09-22 | 2012-05-23 | 耀胜电子股份有限公司 | Winding structure |
| CN106960715A (en) * | 2012-12-19 | 2017-07-18 | Tdk株式会社 | Common-mode filter |
| CN109148107A (en) * | 2017-06-15 | 2019-01-04 | Tdk株式会社 | The manufacturing method of coil component, the circuit substrate for having it and coil component |
| US20190156984A1 (en) * | 2017-11-22 | 2019-05-23 | Tai-Tech Advanced Electronics Co., Ltd. | Transformer structure |
| CN108735475A (en) * | 2018-07-20 | 2018-11-02 | 台庆精密电子（昆山）有限公司 | integrated coil structure |
| CN210156230U (en) * | 2019-08-16 | 2020-03-17 | 庆邦电子元器件(泗洪)有限公司 | Transformer and common mode filter integrated element |
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