CN206294083U - Flat surface transformer Switching Power Supply - Google Patents
Flat surface transformer Switching Power Supply Download PDFInfo
- Publication number
- CN206294083U CN206294083U CN201620470477.0U CN201620470477U CN206294083U CN 206294083 U CN206294083 U CN 206294083U CN 201620470477 U CN201620470477 U CN 201620470477U CN 206294083 U CN206294083 U CN 206294083U
- Authority
- CN
- China
- Prior art keywords
- power supply
- switching power
- pcb board
- flat surface
- surface transformer
- 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
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- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a kind of flat surface transformer Switching Power Supply, wherein, including：One E-type magnetic pearl, pcb board middle part has a strip opening, and in the pcb board middle part insertion E-type magnetic pearl, also including a cover slip magnetic bead, the cover slip magnetic bead is covered in the opening portion of the E-type magnetic pearl, pcb board is fixed in E-type magnetic pearl.The utility model solves the problems, such as that the vertical switching mode power supply transformer of straight cutting traditional in the prior art is difficult to meet application requirement higher, in being designed in XY switch power transformer, primary side winding, secondary windings are embedded among pcb board, the design volume for not only reducing Switching Power Supply also improves the service efficiency of Switching Power Supply.
Description
Technical field
The utility model is related to a kind of Switching Power Supply, more particularly to a kind of flat surface transformer Switching Power Supply.
Background technology
Switching Power Supply either suffers from very important effect in industry also field or civil area, is in electricity by it
It is a key function module in gas equipment.The performance of Switching Power Supply directly decides electronic equipment quality level.With economy
Continue to develop, requirement of the electronic equipment to Switching Power Supply is also improved constantly, especially in volume, the aspect such as efficiency, radiating, leakage inductance
There is requirement higher.The vertical switching mode power supply transformer of traditional straight cutting is difficult to meet application requirement higher.
Utility model content
The utility model discloses a kind of flat surface transformer Switching Power Supply, it is used to solve straight cutting traditional in the prior art and stands
Formula switching mode power supply transformer is difficult to the problem of the application requirement for meeting higher.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions：
A kind of flat surface transformer Switching Power Supply, wherein, including：One E-type magnetic pearl, pcb board middle part has a strip opening,
In the pcb board middle part insertion E-type magnetic pearl, also including a cover slip magnetic bead, the cover slip magnetic bead is covered in institute
The opening portion of E-type magnetic pearl is stated, pcb board is fixed in E-type magnetic pearl.
Flat surface transformer Switching Power Supply as described above, wherein, there is a flat surface transformer to control electricity in the pcb board
Road, the flat surface transformer control circuit has a Master control chip.
Flat surface transformer Switching Power Supply as described above, wherein, the Switching Power Supply control chip uses Switching Power Supply control
Coremaking piece UCC2813.
Flat surface transformer Switching Power Supply as described above, wherein, the pcb board is embedded with multiple coil windings.
Flat surface transformer Switching Power Supply as described above, wherein, the flat surface transformer control circuit also includes：One voltage
Feedback resistance, a current feedback resistor are connected with the Master control chip, the Master control chip be also associated with a primary side around
Group, the Master control chip controls the break-make of primary side winding by a N channel metal-oxide-semiconductor.
In sum, by adopting the above-described technical solution, the utility model solves straight cutting traditional in the prior art
Vertical switching mode power supply transformer is difficult to the problem of the application requirement for meeting higher, is designed by XY switch power transformer
In, primary side winding, secondary windings are embedded among pcb board, the design volume for not only reducing Switching Power Supply is also improved out
The service efficiency in powered-down source.Flat geometry reduce switching frequency it is higher when Kelvin effect loss, that is, be vortexed
Loss.Accordingly, it is capable to most effectively using the surface conductance performance of copper conductor, efficiency is more much higher than traditional transformer.And profit
With two-layer around the difference of group distance, and leakage inductance under different gap and AC impedance are obtained.
Brief description of the drawings
Fig. 1 is the Structure explosion diagram of the utility model flat surface transformer Switching Power Supply.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples：
Fig. 1 is the Structure explosion diagram of the utility model flat surface transformer Switching Power Supply, refers to Fig. 1, a kind of plane transformation
Device Switching Power Supply, wherein, including：One E-type magnetic pearl 1, the middle part of a pcb board 2 has a strip opening, the embedded E types in the middle part of pcb board 2
In magnetic bead 1, also including a cover slip magnetic bead 3, cover slip magnetic bead is covered in the opening portion of E-type magnetic pearl 1, and pcb board 2 is fixed
In E-type magnetic pearl 1.
Further, the utility model can use Plane Installation structure, and pcb board 2 is fixed on into master by two fixtures
On plate, two fixtures are arranged on position of the pcb board 2 near both sides, and two fixtures can be fixed on mainboard, it is also possible to through master
Plate is fixed with mainboard.
Further, pcb board is embedded with multiple coil windings, specifically, including：Primary side winding, secondary windings are all embedded
In pcb board, the design volume for not only reducing Switching Power Supply also improves the service efficiency of Switching Power Supply.
Further, the utility model can be by flat surface transformer using combining closely between Copper Foil and pcb board so that
It is very small in the gap of adjacent number of turn interlayer, therefore energy loss is very small.
Further, there is a flat surface transformer to control circuit, flat surface transformer control circuit is with a master in pcb board 2
Control chip.
Further, Switching Power Supply control chip uses Switching Power Supply control chip UCC2813, Switching Power Supply control chip
UCC2813 is an economical BICOMS mode PWM controlled of low-power consumption.Possess under-voltage protection and overcurrent protection function.Work
Working frequency can reach 1MHZ.
Further, flat surface transformer control circuit also includes：One Voltage Feedback resistance, a current feedback resistor with master
Control chip is connected, and Master control chip is also associated with a primary side winding, and Master control chip controls original by a N channel metal-oxide-semiconductor
The break-make of side winding.
Claims (4)
1. a kind of flat surface transformer Switching Power Supply, it is characterised in that including：One E-type magnetic pearl, pcb board middle part has a strip
Opening, in the pcb board middle part insertion E-type magnetic pearl, also including a cover slip magnetic bead, the cover slip magnetic bead covering
In the opening portion of the E-type magnetic pearl, pcb board is fixed in E-type magnetic pearl.
2. flat surface transformer Switching Power Supply according to claim 1, it is characterised in that there is a plane in the pcb board
Transformer control circuit, the flat surface transformer control circuit has a Master control chip.
3. flat surface transformer Switching Power Supply according to claim 1, it is characterised in that the pcb board is embedded with multiple lines
Circle winding.
4. flat surface transformer Switching Power Supply according to claim 2, it is characterised in that the flat surface transformer controls circuit
Also include：One Voltage Feedback resistance, a current feedback resistor are connected with the Master control chip, and the Master control chip also connects
A primary side winding is connected to, the Master control chip controls the break-make of primary side winding by a N channel metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470477.0U CN206294083U (en) | 2016-05-23 | 2016-05-23 | Flat surface transformer Switching Power Supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470477.0U CN206294083U (en) | 2016-05-23 | 2016-05-23 | Flat surface transformer Switching Power Supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206294083U true CN206294083U (en) | 2017-06-30 |
Family
ID=59093968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620470477.0U Expired - Fee Related CN206294083U (en) | 2016-05-23 | 2016-05-23 | Flat surface transformer Switching Power Supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206294083U (en) |
-
2016
- 2016-05-23 CN CN201620470477.0U patent/CN206294083U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20210523 |