CN205194486U - Low leakage inductance transformer and power - Google Patents
Low leakage inductance transformer and power Download PDFInfo
- Publication number
- CN205194486U CN205194486U CN201520986936.6U CN201520986936U CN205194486U CN 205194486 U CN205194486 U CN 205194486U CN 201520986936 U CN201520986936 U CN 201520986936U CN 205194486 U CN205194486 U CN 205194486U
- Authority
- CN
- China
- Prior art keywords
- contact pin
- transformer
- utility
- leakage inductance
- model
- 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.)
- Active
Links
Abstract
The utility model discloses a low leakage inductance transformer and power, contact pin type transformer include the base and set up iron core on the base, base are provided with one row of once incline contact pin and one row of secondary side contact pin, and the metal forming that an at least first contact pin that once inclines passes through on wire jumper or the circuit board is connected with an at least second contact pin of secondary side. The utility model discloses be provided with in the power contact pin type transformer. The utility model discloses has changed the structure of in the past following transformer core top cross -line, through the mode that will the part once incline contact pin and partial secondary side contact pin linked together, has realized transforing from the structure of transformer core bottom cross -line, greatly reduced the leakage inductance of transformer, improved the quality of transformer to reduce material consumption, reduced the transformer cost.
Description
Technical field
The utility model relates to transformer technology field, is specifically related to a kind of low-leakage inductance transformer device and power supply.
Background technology
Chinese patent ZL02149696.X discloses " winding method of Transformer for switching power source and coil windings thereof ", the coil that to be wherein the winding method of the coil windings of odd number (2Q+1) for the number of turn be in same position 180 degree of Rotational Symmetry coilings two (Q+0.5) numbers of turn, 0.5 circle is wherein non-integer circle number, namely half-turn, the input terminal of these two coil windings and outlet terminal are then in parallel respectively, form single coil windings.
As shown in Figure 1, the transformer for switching power supply of prior art is pin type transformer, two socket pins are arranged at the bottom of iron core bracket, two socket pins are inserted into when transformer is placed on wiring board in the welding hole of wiring board, wherein a row (the A row in Fig. 1) contact pin is used for the terminal of the coiling of connection transformer primary side, and another row (the B row in Fig. 1) contact pin is used for the terminal of connection transformer secondary side coiling.
Transformer as shown in Figure 2 needs coiling two to be with coiling N2 and N4 of half-turn at secondary side, therefore the leading-out terminal of N2 and N4 must appear at primary side, as shown in Figure 3 and Figure 4, the mode of prior art cabling is that the top making the primary side leading-out terminal of N2 and N4 stride across iron core turns back to secondary side, then the contact pin of connecting secondary side.
This mode from transformer core top cross-line has following defect:
1) add the leakage inductance of transformer, reduce the quality of transformer;
2) add material consumption, be unfavorable for reducing costs.
Utility model content
The technical problems to be solved in the utility model is, for the deficiencies in the prior art, provides a kind of low-leakage inductance transformer device and power supply, and overcoming prior art increases transformer leakage inductance from the mode of transformer core top cross-line, increase the defect of material consumption.
The utility model for solving the problems of the technologies described above adopted technical scheme is:
A kind of low leakage inductance pin type transformer, comprise base and be arranged on the iron core on described base, described base is provided with row's primary side contact pin and row's secondary side contact pin, and at least one first contact pin of primary side is connected with at least one second contact pin of secondary side by the metal forming on wire jumper or wiring board.
According to embodiment of the present utility model, the end of incoming cables or the leading-out terminal that are wound at least one coil on described iron core connect the first contact pin or the second contact pin.
According to embodiment of the present utility model, described metal forming is set to Copper Foil or silver foil.
A kind of power supply, is provided with at least one as above arbitrary described low leakage inductance pin type transformer in described power supply.
Implement the technical solution of the utility model, there is following beneficial effect: the utility model changes in the past from the structure of transformer core top cross-line, by the mode that part primary side contact pin and part secondary side contact pin are linked together, realize the Structure innovation of cross-line bottom transformer core, greatly reduce the leakage inductance of transformer, improve the quality of transformer, and decrease material consumption, reduce transformer cost.
Accompanying drawing explanation
Below by with reference to accompanying drawing describe the utility model particularly in conjunction with example, advantage of the present utility model and implementation will be more obvious, wherein content shown in accompanying drawing is only for explanation explanation of the present utility model, and do not form restriction of going up in all senses of the present utility model, in the accompanying drawings:
Fig. 1 is prior art transformer base schematic diagram;
Fig. 2 is prior art is wound with the coiling of two band half-turns transformer circuit schematic diagram at secondary side;
Fig. 3 is prior art is wound with the coiling of two the band half-turns schematic diagram of transformer from iron core top cross-line at secondary side;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the utility model embodiment transformer circuit schematic diagram;
Fig. 6 is the utility model embodiment transformer base schematic diagram;
Fig. 7 is the utility model embodiment transformer front view;
Fig. 8 is the utility model embodiment transformer side view;
Fig. 9 is the utility model embodiment transformer vertical view.
Embodiment
As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, embodiment of the present utility model comprises following various execution mode:
(1) leading-out terminal crosses secondary side from primary side
When the leading-out terminal of the coiling of transformer needs to cross secondary side from primary side, leading-out terminal is by realizing crossing over from the bottom trace of transformer core.Concrete leap mode can be at least one first contact pin that leading-out terminal is connected to primary side, and the first contact pin is by being positioned at least one second contact pin of the Copper Foil connecting secondary side on the wire jumper of transformer bottom or circuit board.
(2) leading-out terminal crosses primary side from secondary side
When the leading-out terminal of the coiling of transformer needs to cross primary side from secondary side, leading-out terminal is by realizing crossing over from the bottom trace of transformer core.Concrete leap mode can be the first contact pin that leading-out terminal is connected at least one secondary side, and the first contact pin connects at least one second contact pin of primary side by the Copper Foil be positioned on the wire jumper of transformer bottom or circuit board.
(3) end of incoming cables crosses secondary side from primary side
When the end of incoming cables of the coiling of transformer needs to cross secondary side from primary side, end of incoming cables is by realizing crossing over from the bottom trace of transformer core.Concrete leap mode can be the first contact pin that end of incoming cables is connected at least one primary side, and the first contact pin is by being positioned at least one second contact pin of the Copper Foil connecting secondary side on the wire jumper of transformer bottom or circuit board.
(4) end of incoming cables crosses primary side from secondary side
When the end of incoming cables of the coiling of transformer needs to cross primary side from secondary side, end of incoming cables is by realizing crossing over from the bottom trace of transformer core.Concrete leap mode can be at least one first contact pin that end of incoming cables is connected to secondary side, and the first contact pin connects at least one second contact pin of primary side by the Copper Foil be positioned on the wire jumper of transformer bottom or circuit board.
The utility model low leakage inductance pin type transformer comprises base and is arranged on the iron core on described base, base is provided with row's primary side contact pin and row's secondary side contact pin, and at least one first contact pin of primary side is connected with at least one second contact pin of secondary side by the metal forming on wire jumper or wiring board.According to embodiment of the present utility model, the end of incoming cables or the leading-out terminal that are wound at least one coil on iron core connect the first contact pin or the second contact pin.
Corresponding to the utility model low leakage inductance pin type transformer, be provided with at least one as above arbitrary described low leakage inductance pin type transformer in the utility model power supply.Be understandable that any one equipment is as being provided with the utility model low leakage inductance pin type transformer, still falls into protection range of the present utility model.
As shown in Figure 5 and Figure 6, one end connecting contact pin 1 of coiling N2, the Same Name of Ends connecting contact pin 13 of coiling N4 and contact pin 14, in order to be linked together at these two ends, linked together contact pin 1, contact pin 13 and contact pin 14 by the wire jumper below base or the Copper Foil on wiring board.The other end connecting contact pin 2 of coiling N2, the Same Name of Ends connecting contact pin 8 of coiling N4 and contact pin 9, in order to be linked together at these two ends, linked together contact pin 2, contact pin 8 and contact pin 9 by the wire jumper below base or the Copper Foil on wiring board.
Table 1 is that the transformer from iron core top cross-line is reported with the test comparison from the transformer leakage inductance of transformer bottom cross-line, therefrom can find out that the utility model greatly reduces transformer leakage inductance from the transformer of transformer bottom cross-line, achieves good technique effect.
Table 1
Those skilled in the art do not depart from essence of the present utility model and spirit, various deformation scheme can be had to realize the utility model, the foregoing is only the better feasible embodiment of the utility model, not thereby interest field of the present utility model is limited to, the equivalent structure change that all utilization the utility model specifications and accompanying drawing content are done, is all contained within interest field of the present utility model.
Claims (4)
1. a low-leakage inductance transformer device, it is characterized in that: comprise base and be arranged on the iron core on described base, described base is provided with row's primary side contact pin and row's secondary side contact pin, and at least one first contact pin of primary side is connected with at least one second contact pin of secondary side by the metal forming on wire jumper or wiring board.
2. low-leakage inductance transformer device according to claim 1, is characterized in that: the end of incoming cables or the leading-out terminal that are wound at least one coil on described iron core connect the first contact pin or the second contact pin.
3. low-leakage inductance transformer device according to claim 1, is characterized in that: described metal forming is set to Copper Foil or silver foil.
4. a power supply, is characterized in that: be provided with in described power supply at least one as arbitrary in claims 1 to 3 as described in low-leakage inductance transformer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520986936.6U CN205194486U (en) | 2015-12-03 | 2015-12-03 | Low leakage inductance transformer and power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520986936.6U CN205194486U (en) | 2015-12-03 | 2015-12-03 | Low leakage inductance transformer and power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205194486U true CN205194486U (en) | 2016-04-27 |
Family
ID=55787454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520986936.6U Active CN205194486U (en) | 2015-12-03 | 2015-12-03 | Low leakage inductance transformer and power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205194486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405607A (en) * | 2015-12-03 | 2016-03-16 | 刘国泉 | Method for reducing leakage inductance of pin transformer, and transformer and power supply |
-
2015
- 2015-12-03 CN CN201520986936.6U patent/CN205194486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405607A (en) * | 2015-12-03 | 2016-03-16 | 刘国泉 | Method for reducing leakage inductance of pin transformer, and transformer and power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2388789A2 (en) | Ferrite core coil | |
| CN205194486U (en) | Low leakage inductance transformer and power | |
| CN204480854U (en) | A kind of integrated inductance | |
| CN102881405B (en) | Combining structure of transformer and inductance element and forming method thereof | |
| CN107424794A (en) | A kind of transformer | |
| CN209822453U (en) | Integrated device of transformer and magnetic element and main power circuit | |
| CN206225165U (en) | A kind of power transformer of integrated inductor | |
| CN201112112Y (en) | High-frequency high-power flat panel transformer | |
| CN205542256U (en) | Novel transformer base and transformer | |
| CN202523508U (en) | Magnetic device assembly of power module and power module | |
| CN105405607A (en) | Method for reducing leakage inductance of pin transformer, and transformer and power supply | |
| CN105529141A (en) | Novel transformer base and transformer, and transformer terminal wiring method | |
| CN205069335U (en) | Power transformer | |
| CN105529152B (en) | A kind of method for reducing pin type transformer leakage inductance | |
| US20170117090A1 (en) | Energy storage apparatus | |
| CN208908181U (en) | Chip inductor and electronic equipment | |
| CN207425586U (en) | A kind of transformer | |
| CN209056363U (en) | Transformer for pulsed filter | |
| CN202487388U (en) | Lamination type coil inductor supported by printed circuit board (PCB) | |
| CN202473481U (en) | Integrated spiral coil inductor | |
| CN205810514U (en) | A kind of chip inductor changing power | |
| CN219553379U (en) | Low-power-consumption patch type transformer | |
| CN207558558U (en) | A kind of chip inductor of improvement | |
| TWM556915U (en) | Inductor component | |
| CN215342247U (en) | Surface-mounted inductor and circuit board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 1108, block A, Xinghe residence, Diamond Mountain, Kowloon, Hongkong, China Patentee after: Liu Guoquan Address before: Room 1108, block A, Xinghe residence, Diamond Mountain, Kowloon, Hongkong, China Patentee before: Liu Guoquan |
|
| CP03 | Change of name, title or address |