CN101752056B - Magnetic element - Google Patents
Magnetic element Download PDFInfo
- Publication number
- CN101752056B CN101752056B CN2008101848525A CN200810184852A CN101752056B CN 101752056 B CN101752056 B CN 101752056B CN 2008101848525 A CN2008101848525 A CN 2008101848525A CN 200810184852 A CN200810184852 A CN 200810184852A CN 101752056 B CN101752056 B CN 101752056B
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- coil
- magnetic element
- single core
- core wiring
- induction
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Abstract
The invention discloses a magnetic element which comprises at least one first coil, at least one second coil, at least one third coil, at least one fourth coil and at least one first single-core connection wire. The first coil is arranged at the first induction side of the magnetic element and is provided with a first end part and a second end part. The second coil is arranged at the first induction side of the magnetic element and is provided with a third end part and a fourth end part. The third coil is arranged at the second induction side of the magnetic element and is provided with a fifth end part and a sixth end part. The fourth coil is arranged at the second induction side of the magnetic element and is provided with a seventh end part and an eighth end part. One end part of the first single-chip connection wire is electrically connected with the second end part and the fourth end part simultaneously.
Description
Technical field
The present invention relates to a kind of magnetic element of avoiding taking place inner couplings electric capacity and leakage inductance and tool high-reliability, high product yield, low production cost.
Background technology
In magnetic element now; When primary side and secondary side all use two coil to respond to; No matter be that primary side or secondary side all have three pins, this three pin is respectively that the multi cord that the other end hinge joint of an end winding, another end winding and two coils forms constitutes.
Yet; When the signal of magnetic element in the process that this multiply the end of a thread transmits; Can be because of each distance between centers of tracks, material that constitutes multi cord and all different all inevasible phenomenon of signal that flows in each line; Cause being prone in the multi cord parasitic capacitance and stray inductance take place, and cause the situation that inner couplings electric capacity and leakage inductance very easily take place in the magnetic element, even the reductions such as (EMI/EMS), IEEE function that make the electromagnetic interference/electromagnetism of magnetic element anti-interference.
In addition, when this multi cord and the external circuit board welding, scolder is prone to and can't engages really, causes soldering reliability and product quality to reduce, even need carry out manufacture crafts such as extra test, repairing, and cause the significantly lifting of production cost.
Summary of the invention
Therefore,, the objective of the invention is to propose in a kind of magnetic element, avoiding taking place inner couplings electric capacity and leakage inductance, and then improve reliability, product yield and reduce production costs for addressing the above problem.
For this reason, the present invention provides a kind of magnetic element, comprises first coil, second coil, tertiary coil, the 4th coil and first single core wiring.First coil is located at one first induction side of this magnetic element, has a first end and a second end.Second coil is located at this first induction side, has one the 3rd end and one the 4th end.Tertiary coil is located at one second induction side of this magnetic element, has a five terminal portion and one the 6th end.The 4th coil is located at this second induction side, has one the 7th end and one the 8th end.First single core wiring, one end is electrically connected with this second end and the 4th end simultaneously.
The present invention provides a kind of magnetic element in addition, comprises first coil, second coil and first single core wiring.First coil is located at the first induction side of this magnetic element, and second coil is located at the second induction side of this magnetic element.First single core wiring, one end is connected in an intermediate point of this first coil.
In sum; In this magnetic element of the present invention; Because of pin to the wiring of responding between the position all is single-core lines,, and then can improves reliability, product yield and reduce production costs so magnetic element in transmitting the process of the signal of telecommunication phenomenon of inner couplings electric capacity and leakage inductance can not take place.
For letting above-mentioned and other purposes of the present invention, characteristic and the advantage can be more obviously understandable, hereinafter is special lifts a preferred embodiment, and cooperates appended accompanying drawing, elaborates as follows:
Description of drawings
Fig. 1 is the conspectus that illustrates the present invention's one magnetic element.
The main element symbol description
100: magnetic element induction in 102: the first side
106: the first coils of 104: the second induction sides
The single core wiring in 110: the first of 108: the second coils
112: 114: the four coils of tertiary coil
A, b, c, d, e, f, g, h, i, j, k, l: end
R: resistor C: capacitor
Embodiment
Fig. 1 is the conspectus that illustrates the present invention's one magnetic element 100.Please with reference to Fig. 1, magnetic element 100 comprises at least one first coil 106, at least one second coil 108, at least one tertiary coil 112, at least one the 4th coil 114 and at least one first single core wiring 110.Magnetic element 100 can be divided into the first induction side 102 and the second induction side 104.Magnetic element 100 can be used as transformer, inductance or capacitor.
One end f of first single core wiring 110 is electrically connected with the 4th end d with the second end b simultaneously, and its other end e is the common biography pin as the first induction side 102.First single core wiring 110 is a single cord.
Be single cord owing to pass first single core wiring 110 of pin altogether as the first induction side 102; So when transmitting in first single core wiring 110 from the signal between first coil 106, second coil 108 and external circuit, the situation of inner couplings electric capacity and leakage inductance can not take place.
The 4th coil 114 is located at the second induction side 104, has the 7th end i and the 8th end j.The 7th end i is another pin as the second induction side 104.The 4th coil 114 can be a single cord, also can be multi cord.
In addition, magnetic element 100 comprises that more an end 1 of at least one second single core wiring 116 is electrically connected with the 8th end j with the 6th end h simultaneously, and its other end k is the common biography pin as the second induction side 104.Second single core wiring 116 is a single cord.
Be single cord owing to pass second single core wiring 116 of pin altogether as the second induction side 104; When event was transmitted in second single core wiring 116 from the signal between tertiary coil 112, the 4th coil 114 and external circuit, the situation of inner couplings electric capacity and leakage inductance can not take place.
In addition; In this preferred embodiment; Though can form chokes induction structure 118 with part first coil 106 with part second coil 108 is example, part tertiary coil 112 also can be formed another chokes induction structure in response to actual demand with part the 4th coil 114.
In addition, this first coil 106 also can be according to changing single coil into this second coil 108, and at this moment, the end a of former embodiment, c be the both ends of single coil for this reason, and end b, d be the intermediate point of single coil for this reason.In like manner, this tertiary coil 112 also can be according to changing another single coil into the 4th coil 114, and at this moment, the end g of former embodiment, i be the both ends of another single coil for this reason, and end h, j be the intermediate point of another single coil for this reason.
In addition; In this preferred embodiment; Though directly or indirectly connecting resistor R or capacitor C etc. with this first single core wiring 110 is example, this first coil 106, this second coil 108, this tertiary coil 112, the 4th coil 114 or this second single core wiring 116 also can directly or indirectly connect resistor R or capacitor C etc. according to actual demand.
In sum; In this magnetic element of the present invention; Because of pin to the wiring of responding between the position all is single-core lines,, and then can improves reliability, product yield and reduce production costs so magnetic element in transmitting the process of the signal of telecommunication phenomenon of inner couplings electric capacity and leakage inductance can not take place.
Though disclosed the present invention in conjunction with an above preferred embodiment; Yet it is not in order to limit the present invention; Anyly be familiar with this operator; Do not breaking away from the spirit and scope of the present invention, can do various changes and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (12)
1. magnetic element comprises:
First coil is located at one first of this magnetic element and is responded to side, has a first end and a second end;
Second coil is located at this first induction side, has one the 3rd end and one the 4th end;
Tertiary coil is located at one second of this magnetic element and is responded to side, has a five terminal portion and one the 6th end;
The 4th coil is located at this second induction side, has one the 7th end and one the 8th end; And
First single core wiring, one of which end are electrically connected with this second end and the 4th end simultaneously.
2. magnetic element as claimed in claim 1, it also comprises at least one second single core wiring, the one of which end is electrically connected with the 6th end and the 8th end simultaneously.
3. magnetic element as claimed in claim 2, wherein the other end of this five terminal portion, the 7th end and this second single core wiring is as the pin of this second induction side; The other end of this first end, the 3rd end and this first single core wiring is as the pin of this first induction side; And the other end of the other end of this first single core wiring or this second single core wiring is as passing pin altogether.
4. magnetic element as claimed in claim 2, wherein this first coil, this second coil, this tertiary coil, the 4th coil, this first single core wiring or this second single core wiring are directly or indirectly to connect resistor or capacitor.
5. according to claim 1 or claim 2 magnetic element, some of these tertiary coils are formed a chokes induction structure with the 4th coil of part or this first coil of part with this second coil of part.
6. magnetic element as claimed in claim 2, wherein this first coil, this second coil, this tertiary coil or the 4th coil are single cord or multi cord; And this first single core wiring is a single cord with this second single core wiring.
7. magnetic element comprises:
First coil is located at one first of this magnetic element and is responded to side;
Second coil is located at one second of this magnetic element and is responded to side;
First single core wiring, the one of which end is connected in an intermediate point of this first coil.
8. magnetic element as claimed in claim 7, it also comprises at least one second single core wiring, the one of which end is connected in an intermediate point of this second coil.
9. magnetic element as claimed in claim 8, wherein the other end of two ends of this second coil and this second single core wiring is as the pin of this second induction side; Two ends of this first coil and the other end of this first single core wiring are as the pin of this first induction side; And the other end of the other end of this first single core wiring or this second single core wiring is as passing pin altogether.
10. magnetic element as claimed in claim 8, wherein this first coil, this second coil, this first single core wiring or this second single core wiring are directly or indirectly to connect resistor or capacitor.
11. like claim 7 or 8 described magnetic elements, this second coil of some of these first coils or part is formed a chokes induction structure.
12. like claim 7 or 8 described magnetic elements, it is transformer, inductance or capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101848525A CN101752056B (en) | 2008-12-05 | 2008-12-05 | Magnetic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101848525A CN101752056B (en) | 2008-12-05 | 2008-12-05 | Magnetic element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101752056A CN101752056A (en) | 2010-06-23 |
| CN101752056B true CN101752056B (en) | 2012-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101848525A Expired - Fee Related CN101752056B (en) | 2008-12-05 | 2008-12-05 | Magnetic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101752056B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125534A1 (en) * | 2002-09-18 | 2004-07-01 | Hisashi Takiguchi | Igniter transformer |
| CN2901528Y (en) * | 2006-06-09 | 2007-05-16 | 陈跃刚 | Continuous adjustable reactor for inductive value |
-
2008
- 2008-12-05 CN CN2008101848525A patent/CN101752056B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125534A1 (en) * | 2002-09-18 | 2004-07-01 | Hisashi Takiguchi | Igniter transformer |
| CN2901528Y (en) * | 2006-06-09 | 2007-05-16 | 陈跃刚 | Continuous adjustable reactor for inductive value |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101752056A (en) | 2010-06-23 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20181205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |