CN202384160U - Planar transformer - Google Patents
Planar transformer Download PDFInfo
- Publication number
- CN202384160U CN202384160U CN2011205798490U CN201120579849U CN202384160U CN 202384160 U CN202384160 U CN 202384160U CN 2011205798490 U CN2011205798490 U CN 2011205798490U CN 201120579849 U CN201120579849 U CN 201120579849U CN 202384160 U CN202384160 U CN 202384160U
- Authority
- CN
- China
- Prior art keywords
- winding
- aluminium copper
- circuit boards
- circuit board
- copper sheet
- 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
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Abstract
The utility model discloses a planar transformer, which comprises a magnetic core, a primary winding and a secondary winding, wherein the primary winding comprises a plurality of circuit boards; a spiral coil is arranged on each circuit board; the spiral coils on a plurality of circuit boards are communicated with one another through guide pins; the secondary winding comprises a plurality of aluminum copper alloy sheets which are connected with one another; a plurality of circuit boards and a plurality of aluminum copper alloy sheets are arranged at intervals; the magnetic core comprises an upper magnetic part and a lower magnetic part; and the upper magnetic part and the lower magnetic part wrap the primary winding and the secondary winding. The planar transformer is reasonable and ingenious in structure, has the advantages of low direct-current copper resistance, low leakage inductance, low distributed capacitance and good shielding performance, and is superior to the conventional transformer in power.
Description
Technical field
The utility model relates to transformer, particularly a kind of flat surface transformer.
Background technology
In the prior art, transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, and main member is primary coil, secondary coil and magnetic core.In electric equipment and radio-circuit, up-down voltage, the matched impedance done commonly used, the safety isolation waits effect.In generator, no matter be that coil movement is passed through magnetic field or Movement in Magnetic Field through fixed coil, all can be in coil induced potential, these two kinds of situation, the value of magnetic flux is all constant, but with the magnetic flux quantity of coil intersecting chain change is arranged, this is the principle of mutual induction.Transformer is exactly that a kind of undesirable mutual electromagnetic inductance of utilizing is answered voltage of transformation, the device of electric current and impedance.The function of transformer mainly contains: voltage transformation, current transformation,, impedance conversion, isolation and voltage stabilizing etc.
But there is following shortcoming in these traditional transformers:
1, manufacturing process is complicated;
2, owing to the restriction of structure, the power of transformer is not high;
3, leakage inductance and distributed capacitance are big;
4, temperature rise;
5, shielding properties is poor, and EMI disturbs big.
The utility model content
The purpose of the utility model is, a kind of flat surface transformer is provided, and its reasonable in design is ingenious, has the advantage of low direct current copper resistance, low leakage inductance and low distributed capacitance, and shielding properties is good, and it is higher to compare traditional transformer efficiency.
The utility model for realizing the technical scheme that above-mentioned purpose adopted is:
A kind of flat surface transformer, it comprises a magnetic core, an elementary winding and a level winding, this elementary winding comprises some circuit boards; This circuit board is provided with helical winding; Helical winding on these some circuit boards is connected through guide pin, and this secondary winding comprises some aluminium copper sheets that are connected, the alternate setting with the aluminium copper sheet of these some circuit boards; This magnetic core comprises magnetic portion and following magnetic portion, on this magnetic portion and following magnetic portion should elementary winding and secondary winding encase.
One end of said circuit board is provided with some connecting holes; Helical winding two ends on this circuit board are connected with a connecting hole respectively; Helical winding on these some circuit boards is connected with the cooperation of connecting hole through guide pin, on this circuit board to being provided with a through hole in the helical winding centre position.
The two ends of said aluminium copper sheet be in two 1 sides and in the center of this aluminium copper sheet around forming a circular hole, the place, two ends of this aluminium copper sheet is provided with some connecting holes, these some aluminium copper sheets are connected with the cooperation of connecting hole through guide pin.
Said circuit board is four, and said aluminium copper sheet is four.
The beneficial effect of the utility model is: the utility model is rational in infrastructure ingenious, has the advantage of low direct current copper resistance, low leakage inductance and low distributed capacitance, and shielding properties is good, and it is higher to compare traditional transformer efficiency.
Below in conjunction with accompanying drawing and embodiment, the utility model is further specified.
Description of drawings
Fig. 1 is the vertical view of the utility model;
Fig. 2 is the front view of the utility model;
Fig. 3 is the structural representation of circuit board in the utility model;
Fig. 4 is the structural representation of aluminium copper sheet in the utility model.
Embodiment
Embodiment: see also Fig. 1 to Fig. 4; A kind of flat surface transformer that the utility model provides, it comprises a magnetic core 1, one elementary winding 2 and a level winding 3, this elementary winding 2 comprises some circuit boards 21; This circuit board 21 is provided with helical winding 211; Helical winding 211 on these some circuit boards 21 is connected through guide pin 4, and this secondary winding 3 comprises some aluminium copper sheets 31 that are connected, these some circuit boards 21 and the 31 alternate settings of aluminium copper sheet; This magnetic core 1 comprises magnetic portion and following magnetic portion, this on magnetic portion and following magnetic portion should elementary winding 2 and secondary winding 3 encase.
One end of said circuit board 21 is provided with some connecting holes 212; Helical winding 211 two ends on this circuit board 21 are connected with a connecting hole 212 respectively; Helical winding 211 on these some circuit boards 21 is connected through the cooperation of guide pin 4 with connecting hole 212, on this circuit board 21 to being provided with a through hole 213 in helical winding 211 centre positions.
The two ends of said aluminium copper sheet 31 be in two 1 sides and in the center of this aluminium copper sheet 31 around forming a circular hole 311; The place, two ends of this aluminium copper sheet 31 is provided with some connecting holes 212, and these some aluminium copper sheets 31 are connected through the cooperation of guide pin 4 with connecting hole 212.
Said circuit board 21 is four, and said aluminium copper sheet 31 is four.
The utility model is rational in infrastructure ingenious, has the advantage of low direct current copper resistance, low leakage inductance and low distributed capacitance, and shielding properties is good, and it is higher to compare traditional transformer efficiency.
Embodiment is said like the utility model, with other flat surface transformers of the same or similar structure of the utility model, all in the utility model protection range.
Claims (4)
1. flat surface transformer, it comprises a magnetic core, an elementary winding and a level winding, it is characterized in that: this elementary winding comprises some circuit boards; This circuit board is provided with helical winding; Helical winding on these some circuit boards is connected through guide pin, and this secondary winding comprises some aluminium copper sheets that are connected, the alternate setting with the aluminium copper sheet of these some circuit boards; This magnetic core comprises magnetic portion and following magnetic portion, on this magnetic portion and following magnetic portion should elementary winding and secondary winding encase.
2. flat surface transformer according to claim 1; It is characterized in that; One end of said circuit board is provided with some connecting holes; Helical winding two ends on this circuit board are connected with a connecting hole respectively, and the helical winding on these some circuit boards is connected with the cooperation of connecting hole through guide pin, on this circuit board to being provided with a through hole in the helical winding centre position.
3. flat surface transformer according to claim 2; It is characterized in that; The two ends of said aluminium copper sheet be in two 1 sides and in the center of this aluminium copper sheet around forming a circular hole; The place, two ends of this aluminium copper sheet is provided with some connecting holes, and these some aluminium copper sheets are connected with the cooperation of connecting hole through guide pin.
4. flat surface transformer according to claim 3 is characterized in that, said circuit board is four, and said aluminium copper sheet is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205798490U CN202384160U (en) | 2011-12-31 | 2011-12-31 | Planar transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205798490U CN202384160U (en) | 2011-12-31 | 2011-12-31 | Planar transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384160U true CN202384160U (en) | 2012-08-15 |
Family
ID=46632647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205798490U Expired - Fee Related CN202384160U (en) | 2011-12-31 | 2011-12-31 | Planar transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449047A (en) * | 2016-11-17 | 2017-02-22 | 康舒电子(东莞)有限公司 | High-current planar transformer and manufacturing method thereof |
-
2011
- 2011-12-31 CN CN2011205798490U patent/CN202384160U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449047A (en) * | 2016-11-17 | 2017-02-22 | 康舒电子(东莞)有限公司 | High-current planar transformer and manufacturing method thereof |
| CN106449047B (en) * | 2016-11-17 | 2018-07-17 | 康舒电子(东莞)有限公司 | Heavy-current planar transformer and preparation method thereof |
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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: 20120815 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |