CN203721450U - Planar transformer winding structure made on PCB - Google Patents
Planar transformer winding structure made on PCB Download PDFInfo
- Publication number
- CN203721450U CN203721450U CN201420129845.6U CN201420129845U CN203721450U CN 203721450 U CN203721450 U CN 203721450U CN 201420129845 U CN201420129845 U CN 201420129845U CN 203721450 U CN203721450 U CN 203721450U
- Authority
- CN
- China
- Prior art keywords
- wire guide
- pcb board
- layer
- winding
- pcb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model discloses a planar transformer winding structure made on a PCB. The planar transformer winding structure made on the PCB comprises six single-piece PCB layers and four windings, four circular metallized wire holes with equal distance are formed in the two sides of each PCB layer in the width direction, wires of the windings penetrate through wire holes, one of the four windings inputs, and the other three windings output. According to the planar transformer winding structure made on the PCB, the windings are manufactured on the PCB, compared with a traditional high-frequency transformer of equal power output, the size is reduced greatly, and efficiency is improved. The original auxiliary winding coupling degree is high, leakage inductance is small, distributed capacitance among windings is reduced to minimum, the PCB layers are saved, and the cost of a whole planar transformer is lowered effectively. The planar transformer can be applied to all kinds of electronic equipment which needs low voltages and large currents and is limited in spacial size.
Description
Technical field
The utility model relates to transformer, is specifically related to the many windings flat surface transformer on a kind of PCB of being produced on.
Background technology
High frequency transformer is one of element indispensable in all kinds of Switching Power Supplies.Traditional high frequency transformer volume is large, and wire winding is complicated.And along with the increase of Switching Power Supply power output, have to select large magnetic core and large skeleton to make the high frequency transformer of corresponding more volume, manufacture difficulty and cost rise.Various, need low-voltage, high-current and in spatial volume and limited electronic equipment thereof, traditional high frequency transformer is difficult to be suitable for.
Utility model content
Technical problem to be solved in the utility model is just to provide the flat surface transformer winding construction on a kind of PCB of being produced on, and reduces the volume of high frequency transformer, reduces manufacture difficulty and cost.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: the flat surface transformer winding construction on a kind of PCB of being produced on, comprise monolithic 6 floor pcb board Ji Si road windings, the both sides broad ways of each layer of pcb board is offered respectively four equidistant circular wire guides that metallized, the wire of winding passes from wire guide, Si road winding Zhong You mono-road winding input, three road winding outputs;
First via winding starts to cover copper cabling from first wire guide of ground floor pcb board one side, around second wire guide two circle, and through layer 6 pcb board, and after second wire guide, two circles, second wire guide of layer 6 pcb board one side finally;
The second road winding starts to cover copper cabling from first wire guide of second layer pcb board opposite side, around second wire guide two circle, and through layer 5 pcb board, and second of layer 5 pcb board opposite side wire guide finally;
Third Road winding starts to cover copper cabling from the 4th wire guide of second layer pcb board opposite side, around second wire two circle, and through layer 5 pcb board, and the 3rd of layer 5 pcb board opposite side the wire guide finally;
Si road winding starts from same wire guide by two-way, finally the sub-cabling of same wire guide forms, be specially: the first way cabling covers copper cabling since the 3rd wire guide of the 3rd layer of pcb board one side, around second wire guide, one circle, finally the 4th of the 3rd layer of pcb board one side the wire guide; The second way cabling covers copper cabling since the 3rd wire guide of the 4th layer of pcb board one side, around second wire guide, one circle, finally the 4th of the 4th layer of pcb board one side the wire guide.
Preferably, this flat surface transformer power grade is 30W, the input of You Yi road winding, and three road winding outputs, wherein the second road winding is 10V/300mA output, and Third Road winding is 10V/200mA output, and Si road winding is 5V/5A output.
It is upper that the utility model is produced on PCB by winding, compares with the high frequency transformer that traditional Same Efficieney is exported, and its volume reduces greatly, and efficiency improves.The former secondary winding coupled of this utility model degree is high, and leakage inductance is little; Distributed capacitance impact between winding reduces to minimum; Save the pcb board number of plies, effectively reduce the cost of whole flat surface transformer.This transformer can be applied to and variously need low-voltage, high-current and in spatial volume and limited electronic equipment thereof.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is ground floor winding plane graph;
Fig. 2 is second layer winding plane graph;
Fig. 3 is the 3rd layer of winding plane graph;
Fig. 4 is the 4th layer of winding plane graph;
Fig. 5 is layer 5 winding plane graph;
Fig. 6 is layer 6 winding plane graph.
Embodiment
The utility model relates to the many windings flat surface transformer on a kind of PCB of being produced on, a kind ofly by 6 layers of pcb board of monolithic and EI type planar magnetic core, to be formed, in the middle of 6 layers of pcb board of monolithic, in broad ways, have successively three through holes, first through hole 1 is inverted T-shaped, second through hole 2 is rectangle, the 3rd through hole 3 is T shape, and EI type planar magnetic core is installed in three through holes, drives respectively four equidistant circular wire guides 4 that metallized in the both sides broad ways of 6 layers of pcb board of monolithic; Between each layer of pcb board, keep mutual insulating.
As shown in Fig. 1 and Fig. 6, first via winding is: first via winding starts to cover copper cabling from first wire guide of ground floor pcb board one side, around second wire guide, two circles, and through layer 6 pcb board, after second wire guide two circle, second wire guide of layer 6 pcb board one side finally.
As shown in Figure 2 and Figure 5, the second road winding is: the second road winding starts to cover copper cabling from first wire guide of second layer pcb board opposite side, around second wire guide two circle, and through layer 5 pcb board, second of layer 5 pcb board opposite side wire guide finally.
Third Road winding is: Third Road winding starts to cover copper cabling from the 4th wire guide of second layer pcb board opposite side, around second wire two circle, and through layer 5 pcb board, and the 3rd of layer 5 pcb board opposite side the wire guide finally.
As shown in Figure 3 and Figure 4, Si road winding is: Si road winding starts from same wire guide by two-way, finally the sub-cabling of same wire guide forms, be specially: the first way cabling covers copper cabling since the 3rd wire guide of the 3rd layer of pcb board one side, around second wire guide, one circle, finally the 4th of the 3rd layer of pcb board one side the wire guide; The second way cabling covers copper cabling since the 3rd wire guide of the 4th layer of pcb board one side, around second wire guide, one circle, finally the 4th of the 4th layer of pcb board one side the wire guide.
In walking line process, keep all windings to cover the overlapping area of copper cabling in the direction of vertical pcb board be 0.This flat surface transformer power grade is 30W, the input of You Yi road winding, and three road winding outputs, wherein the second road winding is 10V/300mA output, and Third Road winding is 10V/200mA output, and Si road winding is 5V/5A output.First via winding is 4 circles, and the second road and Third Road winding are 2 circles, and Si road winding is 1 circle.
The order of above-mentioned wire guide 4 is to calculate to downside from pcb board upside.
PCB type flat surface transformer of the present utility model consists of jointly undersized planar magnetic core and the coil that consists of the corresponding cabling on PCB, it does not need the winding skeleton of traditional transformer, and good heat dissipation, the impact of transformer parasitic parameter is little, and switching frequency can be done very highly.
Claims (2)
1. the flat surface transformer winding construction being produced on PCB, it is characterized in that: comprise monolithic 6 floor pcb board Ji Si road windings, the both sides broad ways of each layer of pcb board is offered respectively four equidistant circular wire guides that metallized, the wire of winding passes from wire guide, Si road winding Zhong You mono-road winding input, three road winding outputs;
First via winding starts to cover copper cabling from first wire guide of ground floor pcb board one side, around second wire guide two circle, and through layer 6 pcb board, and after second wire guide, two circles, second wire guide of layer 6 pcb board one side finally;
The second road winding starts to cover copper cabling from first wire guide of second layer pcb board opposite side, around second wire guide two circle, and through layer 5 pcb board, and second of layer 5 pcb board opposite side wire guide finally;
Third Road winding starts to cover copper cabling from the 4th wire guide of second layer pcb board opposite side, around second wire two circle, and through layer 5 pcb board, and the 3rd of layer 5 pcb board opposite side the wire guide finally;
Si road winding starts from same wire guide by two-way, finally the sub-cabling of same wire guide forms, be specially: the first way cabling covers copper cabling since the 3rd wire guide of the 3rd layer of pcb board one side, around second wire guide, one circle, finally the 4th of the 3rd layer of pcb board one side the wire guide; The second way cabling covers copper cabling since the 3rd wire guide of the 4th layer of pcb board one side, around second wire guide, one circle, finally the 4th of the 4th layer of pcb board one side the wire guide.
2. the flat surface transformer winding construction being produced on PCB according to claim 1, it is characterized in that: this flat surface transformer power grade is 30W, the winding input of You Yi road, three road winding outputs, wherein the second road winding is 10V/300mA output, Third Road winding is 10V/200mA output, and Si road winding is 5V/5A output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420129845.6U CN203721450U (en) | 2014-03-21 | 2014-03-21 | Planar transformer winding structure made on PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420129845.6U CN203721450U (en) | 2014-03-21 | 2014-03-21 | Planar transformer winding structure made on PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721450U true CN203721450U (en) | 2014-07-16 |
Family
ID=51160588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420129845.6U Expired - Fee Related CN203721450U (en) | 2014-03-21 | 2014-03-21 | Planar transformer winding structure made on PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928220A (en) * | 2014-03-21 | 2014-07-16 | 长兴柏成电子有限公司 | Planar transformer winding structure manufactured on PCBs (printed circuit boards) |
-
2014
- 2014-03-21 CN CN201420129845.6U patent/CN203721450U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928220A (en) * | 2014-03-21 | 2014-07-16 | 长兴柏成电子有限公司 | Planar transformer winding structure manufactured on PCBs (printed circuit boards) |
| CN103928220B (en) * | 2014-03-21 | 2016-08-24 | 长兴柏成电子有限公司 | A kind of flat surface transformer winding construction being produced on PCB |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205104331U (en) | Integrated transformer of magnetic cores structure and magnetism | |
| US9773606B2 (en) | Integrated stacked transformer | |
| CN201138608Y (en) | Novel planar transformer | |
| TWI630628B (en) | Capacitive resistance voltage conversion device | |
| US20140167896A1 (en) | Coupled inductor | |
| CN103928219A (en) | Multi-winding planar transformer manufactured on PCBs (printed circuit boards) | |
| CN104934209A (en) | 3D integrated framework of ultrahigh frequency power converter | |
| CN203552894U (en) | LLC high-frequency transformer | |
| CN102487055A (en) | Metal-oxide-metal capacitor structure | |
| CN203721450U (en) | Planar transformer winding structure made on PCB | |
| CN102074341B (en) | Transformer structure | |
| CN203721451U (en) | Multi-winding planar transformer made on PCB | |
| CN113517120B (en) | Matrix transformer and power supply using same | |
| CN204792387U (en) | Hyperfrequency power converter's integrated framework of 3D | |
| CN206022066U (en) | A kind of novel transformer core assembly | |
| CN208422618U (en) | Distele magnetic core | |
| CN201796690U (en) | Manganese zinc ferrite magnetic core for power supply transformer | |
| US11489449B2 (en) | Adjustable leakage inductance transformer | |
| CN103928220B (en) | A kind of flat surface transformer winding construction being produced on PCB | |
| TWM519803U (en) | Integrated type magnetic core structure and integrated magnetic device | |
| CN203951374U (en) | A kind of novel high-frequency transformation commutation integrated device | |
| CN104332276A (en) | Multilayer vertically-wound inductor | |
| CN205160378U (en) | Electric automobile and corresponding polycell IGBT modular dirve power | |
| CN103943332A (en) | Winding design method for multi-winding output planar transformer | |
| CN204189549U (en) | A kind of miniature magnetic bead inductance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20170321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |