CN106847485A - A kind of transformer for Switching Power Supply design - Google Patents
A kind of transformer for Switching Power Supply design Download PDFInfo
- Publication number
- CN106847485A CN106847485A CN201710149259.6A CN201710149259A CN106847485A CN 106847485 A CN106847485 A CN 106847485A CN 201710149259 A CN201710149259 A CN 201710149259A CN 106847485 A CN106847485 A CN 106847485A
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- CN
- China
- Prior art keywords
- transformer
- winding
- power supply
- separation
- outside
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a kind of transformer for Switching Power Supply design, to solve the problems, such as in Switching Power Supply design that Transformer Winding layer capacitance is big, isolation it is resistance to force down, complex manufacturing, production cost is high and design.The transformer, its skeleton uses tube-in-tube structure.Multiple separation troughs are set on inner layer sleeve skeleton, and outside separation trough is armature winding, and separation trough can reduce layer capacitance and voltage between lines.Internal separation groove is assists winding.Power supply feedback winding is wound on armature winding outside after insulating tape is isolated, to realize the close coupling between feedback winding and armature winding.Outer layer sleeve skeleton sets multiple separation troughs, and internal separation groove is secondary winding coil.Outside separation trough can increase the creep age distance of master secondary winding, and resistance to pressure request is isolated so as to better meet primary coil and secondary coil.
Description
Technical field：
The invention belongs to Switching Power Supply design field, and in particular to a kind of transformer for Switching Power Supply design.
Background technology：
In Switching Power Supply design, limited by Switching Power Supply volumetric constraint and the strong and weak pressure-resistant requirement of electric isolution of power supply, passed
Isolated using insulating tape between system switching mode power supply transformer winding.Exist coil interlayer electric capacity big, complex manufacturing,
The problems such as production cost is high.Point groove sleeve design that transformer of the invention passes through transformer framework, can solve layer capacitance
Big problem, reduces complicated production technology, and production cost is greatly reduced.
The content of the invention：
It is an object of the invention to provide a kind of transformer for Switching Power Supply design, it can reduce transformer coil
Layer capacitance, while transformer production cost can be reduced.
To reach above-mentioned purpose, technical solution of the invention is a kind of transformer for Switching Power Supply design, its
It is characterised by：
The transformer framework uses tube-in-tube structure；
The transformer inner framework sets multiple separation troughs, and outer layer skeleton sets multiple separation troughs；
Separation trough coiling primary winding coil on the outside of the transformer inner framework, separation trough can reduce layer capacitance and line
Between voltage.
The transformer inner framework internal separation groove is auxiliary winding coil；
Power supply feedback winding is wound on armature winding outside after insulating tape is isolated in the transformer inner framework,
The close coupling of feedback winding and armature winding can be realized.
The transformer outer layer skeleton internal separation groove coiling secondary winding coil.Outside separation trough can increase master secondary
The creep age distance of winding, resistance to pressure request is isolated so as to better meet primary coil and secondary coil.
2. closely sealed buckle is provided with two-layer sleeve skeleton inside and outside transformer described in, the company for strengthening assembling back skeleton
Connect.
Brief description of the drawings
A kind of transformer inner framework structural representations for Switching Power Supply design of Fig. 1；
A kind of transformer outer layer skeleton structure schematic diagrames for Switching Power Supply design of Fig. 2；
A kind of transformer assembling structure schematic diagrames for Switching Power Supply design of Fig. 3.
Specific embodiment：
Specific embodiment of the invention is described in further detail below according to accompanying drawing.
Accompanying drawing is a kind of transformer device structure schematic diagram for Switching Power Supply design.Transformer framework uses tube-in-tube structure.
Inner framework sets multiple separation troughs, and outer layer skeleton sets multiple separation troughs.Separation trough coiling armature winding on the outside of inner framework
Coil, separation trough can reduce layer capacitance and voltage between lines.Inner framework internal separation groove is auxiliary winding coil.Inner framework
Upper power supply feedback winding is wound on armature winding outside after insulating tape is isolated, it is possible to achieve feedback winding and armature winding
Close coupling.
Transformer outer layer skeleton internal separation groove coiling secondary winding coil.Outside separation trough can increase master secondary winding
Creep age distance, isolate resistance to pressure request so as to better meet primary coil and secondary coil.
Closely sealed buckle is provided with two-layer sleeve skeleton inside and outside transformer, the connection for strengthening assembling back skeleton.
Claims (2)
1. it is a kind of for Switching Power Supply design transformer, it is characterised in that：
The transformer framework uses tube-in-tube structure；
The transformer inner framework sets multiple separation troughs, and outer layer skeleton sets multiple separation troughs；
Separation trough coiling primary winding coil on the outside of the transformer inner framework, separation trough can reduce electricity between layer capacitance and line
Pressure.
The transformer inner framework internal separation groove is auxiliary winding coil；
Power supply feedback winding is wound on armature winding outside after insulating tape is isolated in the transformer inner framework, can be with
Realize the close coupling of feedback winding and armature winding.
The transformer outer layer skeleton internal separation groove is secondary winding coil.Outside separation trough can increase master secondary winding
Creep age distance, resistance to pressure request is isolated so as to better meet primary coil and secondary coil.
2. it is according to claim 1 it is a kind of for Switching Power Supply design transformer, it is characterised in that：Inside and outside two-layer sleeve
Closely sealed buckle is provided with skeleton, the connection for strengthening assembling back skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710149259.6A CN106847485A (en) | 2017-02-28 | 2017-02-28 | A kind of transformer for Switching Power Supply design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710149259.6A CN106847485A (en) | 2017-02-28 | 2017-02-28 | A kind of transformer for Switching Power Supply design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106847485A true CN106847485A (en) | 2017-06-13 |
Family
ID=59144290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710149259.6A Pending CN106847485A (en) | 2017-02-28 | 2017-02-28 | A kind of transformer for Switching Power Supply design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106847485A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393681A (en) * | 2017-06-27 | 2017-11-24 | 海宁联丰东进电子有限公司 | A kind of high-power Industry Control transformer |
| CN107481847A (en) * | 2017-09-25 | 2017-12-15 | 无锡新畅电子有限公司 | A kind of low distribution capacity high frequency transformer |
| CN113496802A (en) * | 2020-03-19 | 2021-10-12 | 昱京科技股份有限公司 | Combined structure of resonant transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07220951A (en) * | 1994-02-03 | 1995-08-18 | Mitsubishi Electric Corp | Stationary induction device and its manufacture |
| CN1210617A (en) * | 1996-12-02 | 1999-03-10 | 松下电器产业株式会社 | Converter transformer |
| CN1290992A (en) * | 1999-09-24 | 2001-04-11 | 索尼公司 | Switch power circuit |
| CN101819864A (en) * | 2009-02-26 | 2010-09-01 | 三星电机株式会社 | Transformer |
| CN203085334U (en) * | 2013-02-22 | 2013-07-24 | 台达电子工业股份有限公司 | High-voltage transformer structure |
-
2017
- 2017-02-28 CN CN201710149259.6A patent/CN106847485A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07220951A (en) * | 1994-02-03 | 1995-08-18 | Mitsubishi Electric Corp | Stationary induction device and its manufacture |
| CN1210617A (en) * | 1996-12-02 | 1999-03-10 | 松下电器产业株式会社 | Converter transformer |
| CN1290992A (en) * | 1999-09-24 | 2001-04-11 | 索尼公司 | Switch power circuit |
| CN101819864A (en) * | 2009-02-26 | 2010-09-01 | 三星电机株式会社 | Transformer |
| CN203085334U (en) * | 2013-02-22 | 2013-07-24 | 台达电子工业股份有限公司 | High-voltage transformer structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393681A (en) * | 2017-06-27 | 2017-11-24 | 海宁联丰东进电子有限公司 | A kind of high-power Industry Control transformer |
| CN107481847A (en) * | 2017-09-25 | 2017-12-15 | 无锡新畅电子有限公司 | A kind of low distribution capacity high frequency transformer |
| CN113496802A (en) * | 2020-03-19 | 2021-10-12 | 昱京科技股份有限公司 | Combined structure of resonant transformer |
| CN113496802B (en) * | 2020-03-19 | 2022-08-30 | 昱京科技股份有限公司 | Combined structure of resonant transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |
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| WD01 | Invention patent application deemed withdrawn after publication |