CN107887147A - A kind of magnetic integrated transformer and processing method - Google Patents
A kind of magnetic integrated transformer and processing method Download PDFInfo
- Publication number
- CN107887147A CN107887147A CN201711435936.7A CN201711435936A CN107887147A CN 107887147 A CN107887147 A CN 107887147A CN 201711435936 A CN201711435936 A CN 201711435936A CN 107887147 A CN107887147 A CN 107887147A
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- transformer
- inductor
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- 238000003672 processing method Methods 0.000 title claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 32
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 239000003973 paint Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 3
- 239000004922 lacquer Substances 0.000 claims description 3
- 238000012946 outsourcing Methods 0.000 claims description 3
- 238000011056 performance test Methods 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 1
- 210000000988 bone and bone Anatomy 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
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- 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
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/005—Impregnating or encapsulating
Abstract
The present invention relates to a kind of magnetic integrated transformer and processing method, with 0.13t*PET*1P insulating tapes folding is solid inductor skeleton is formed into a rectangle cylinder, with TEX ELZ LITZ 7/0.2*1P three layer insulation wires, single line row encloses around 26 on inductor skeleton, divide first layer around 14 circles, the second layer is around 12 circles, outer insulating tape of double-baging forms inductor winding, in the transformer framework mesopore of two panels E-type magnetic core center pillar insertion Transformer Winding, the side leg of two panels E-type magnetic core has 0.8mm air gaps, in the inductor framework mesoporous of air-gap-free side leg insertion inductor winding, inductor winding rises, tail end solderless wrapped connection and is welded on two blank pipe pin of transformer framework respectively, there is one layer of insulated paint on the outside of entirety, form magnetic integrated transformer.Beneficial effect is simple in construction, small volume, in light weight, cost is low, reduces the loss of magnetic cell, can effectively control leakage inductance, inductance, and particular product performance parameters uniformity is high, meets the quality requirements of market small size converter.
Description
Technical field
The present invention relates to a kind of transformer, more particularly to a kind of magnetic integrated transformer and processing method.
Background technology
With the development of modern power electronics technology, modern power conversion tends to minimize, and high efficiency is multi-functional, Gao Ke
By property and low cost development, Switching Power Supply is towards high frequency, integrated and modular development.The popularization applied with magnetic cell
And the continuous improvement of magnetic cell production automation degree, the integrated technology of magnetic cell are increasingly widely used.Therefore, in order to
The product that high efficiency, high power density and small size are realized in the modular power source of low-voltage, high-current is exported in power inverter,
Using integrated magnetic, discrete magnetic element is concentrated and is wound on a secondary magnetic core, is integrated from structure to reduce magnetic
The loss of element, volume weight, improve filter effect, it is significant to the power density of raising power supply.
The content of the invention
In view of the problem of prior art is present and market demands, the invention provides a kind of magnetic integrated transformer and processing side
Method, transformer and inductor are wound on same secondary magnetic core, obtain inductance-equivalent circuit of transformer of magnetic cell, just
Direct comparison, analytical analysis in circuit etc., and open air gap in EE magnetic cores side leg and ensure that properties of product stability greatly improves,
Concrete technical scheme is a kind of magnetic integrated transformer, including Transformer Winding, E-type magnetic core, it is characterised in that：Use 0.13t*
PET*1P insulating tapes folding is fixed into a rectangle cylinder and forms inductor skeleton, three-layer insulated with TEX-ELZ LITZ 7/0.2*1P
Line single line row on inductor skeleton around 26 circles, is divided into two layers, first layer is around 14 circles, and the second layer is around 12 circles, insulation of double-baging outside
Adhesive tape forms inductor winding, and two panels E-type magnetic core center pillar is inserted in the transformer framework mesopore of Transformer Winding, two panels E-type magnetic
The side leg of core has in the inductor framework mesoporous of 0.8mm air gaps, air-gap-free side leg insertion inductor winding, inductor winding
Play head end solderless wrapped connection and be welded on a blank pipe pin of transformer framework, the solderless wrapped connection of tail head end and be welded on the another of transformer framework
On one blank pipe pin, there is one layer of insulated paint on the outside of entirety, form magnetic integrated transformer.
Processing method comprises the following steps, and is 1. coiled into a rectangle cylinder and fixation with 0.13t*PET*1P insulating tapes, forms
Inductor skeleton, on inductor skeleton, with TEX-ELZ LITZ 7/0.2*1P three layer insulation wires single line row around 26 circles, it is divided into
Two layers, first layer is around 14 circles, and for the second layer around 12 circles, insulating tape of double-baging outside forms inductor winding；2. by two panels E-type magnetic core
In the transformer framework mesopore of center pillar insertion Transformer Winding, the side leg of two panels E-type magnetic core has 0.8mm air gaps, air-gap-free another
In the inductor framework mesoporous of side leg insertion inductor winding, inductor winding plays head end solderless wrapped connection and is welded on transformer bone
On one blank pipe pin of frame, the solderless wrapped connection of tail head end and it is welded on another blank pipe pin of transformer framework, there is one on the outside of entirety
Layer insulated paint, forms magnetic integrated transformer；3. the magnetic integrated transformer being completed is subjected to a series of performance tests, including circle
Number, inductance, leakage inductance, D.C. resistance, pressure-resistant index, qualified product enter dipping lacquer and drying, and after drying, product is answered
Inspection, qualified rear coding lettering.
Advantages of the present invention and beneficial effect are that simple in construction, small volume, in light weight, cost is low, reduce the damage of magnetic cell
Consumption, magnetic core side leg, which opens air gap, can effectively control leakage inductance, inductance, and particular product performance parameters uniformity is high, and fully meeting market tends to
The quality requirements of small size magnetic integrated converter.
Brief description of the drawings
Fig. 1 is the structure sectional view of the present invention；
Fig. 2 is the overall structure diagram of the present invention.
Embodiment
As shown in Figure 1, 2, a kind of magnetic integrated transformer, including Transformer Winding 4, E-type magnetic core 2, with thick 0.13mm*PET*
1P insulating tapes folding is fixed into a rectangle cylinder and forms inductor skeleton 3, is existed with TEX-ELZ LITZ 7/0.2*1P three layer insulation wires
Single line row is divided into two layers, first layer is around 14 circles, and the second layer is around 12 circles, insulating tape of double-baging outside around 26 circles on inductor skeleton 3
Form inductor winding 5, enclosed on bone transformer yoke 1 by φ 0.1/16*1P polyurethane enamelled wire single lines coiling 130, totally four layers it is outer
2 layers of insulating tape are wrapped, form armature winding 7, is risen and is looped around on the pin of bone transformer yoke 3 the 11st and is welded to connect around leading-out terminal,
Terminate leading-out terminal to be looped around on the 9th pin and be welded to connect, outside armature winding 7, by φ 0.25*1P polyurethane enamelled wire single lines
Row placed in the middle totally one layer, 2 layers of insulating tape of outsourcing, forms screen winding 8, rises and be looped around bone transformer yoke 3 around leading-out terminal around 38 circles
The 8th pin on and be welded to connect, terminate end and terminate online in bag, outside screen winding 8, by tri- layers of TEX-E Φ 0.4*1P absolutely
Row around totally one layer of 13 circle, 2 layers of insulating tape of outsourcing, forms secondary windings 9, rises and be looped around bone transformation around leading-out terminal edge single line between two parties
On 2nd pin of device frame 3 and it is welded to connect, terminates leading-out terminal and be looped around on the 1st pin and be welded to connect, form Transformer Winding
4；The center pillar of two panels ferrite E-type magnetic core magnetic core 2 is inserted in the mesopore of transformer framework 1 of Transformer Winding 4, two panels E-type magnetic core 2
Air-gap-free 2-4 sides legs insertion inductor winding 5 the mesopore of inductor skeleton 3 in, inductor winding 5 plays head end solderless wrapped connection simultaneously
It is welded on a blank pipe pin of transformer framework 1, the solderless wrapped connection of tail head end and is welded on another blank pipe pin, two panels E-type magnetic core 2
Opposite side leg have 0.8mm air gap 2-4, have one layer of insulated paint on the outside of entirety, form magnetic integrated transformer.
The magnetic integrated transformer being completed is subjected to a series of performance tests, including the number of turns, inductance, leakage inductance, direct current
Resistance, pressure-resistant index, qualified product enter dipping lacquer and drying, and after drying, product is rechecked, qualified rear coding lettering.
Claims (2)
1. a kind of magnetic integrated transformer, including Transformer Winding（4）, E-type magnetic core（2）, it is characterised in that：Use 0.13t*PET*1P
Insulating tape folding is fixed into a rectangle cylinder and forms inductor skeleton（3）, existed with TEX-ELZ LITZ 7/0.2*1P three layer insulation wires
Inductor skeleton（3）Upper single line row is divided into two layers, first layer is around 14 circles, and the second layer is around 12 circles, insulation of double-baging outside around 26 circles
Adhesive tape forms inductor winding（5）, two panels E-type magnetic core（2）Center pillar inserts Transformer Winding（4）Transformer framework（1）Mesopore
In, two panels E-type magnetic core（2）Side leg have 0.8mm air gaps（2-4）, air-gap-free（2-4）Side leg insertion inductor winding（5）
Inductor skeleton（3）In mesopore, inductor winding（5）Play head end solderless wrapped connection and be welded on transformer framework（1）A sky
On pin, the solderless wrapped connection of tail head end and it is welded on transformer framework（1）Another blank pipe pin on, have one layer of insulation on the outside of entirety
Paint, form magnetic integrated transformer.
2. using a kind of processing method of magnetic integrated transformer described in claim 1, it is characterised in that：Processing method include with
Lower step,
1. being coiled into a rectangle cylinder and fixation with 0.13t*PET*1P insulating tapes, inductor skeleton is formed（3）, in inductor skeleton
（3）On, being enclosed, be divided into two layers around 26 with TEX-ELZ LITZ 7/0.2*1P three layer insulation wires single line row, first layer encloses around 14, the
Two layers form inductor winding around 12 circles, 2 layers of insulating tape of outsourcing（5）；
2. by two panels E-type magnetic core（2）Center pillar inserts Transformer Winding（4）Transformer framework（1）In mesopore, two panels E-type magnetic core
（2）Side leg have 0.8mm air gaps（2-4）, air-gap-free（2-4）Opposite side leg inserts inductor winding（5）Inductor skeleton
（3）In mesopore, inductor winding（5）Play head end solderless wrapped connection and be welded on transformer framework（1）A blank pipe pin on, tail head end
Solderless wrapped connection is simultaneously welded on transformer framework（1）Another blank pipe pin on, have one layer of insulated paint on the outside of entirety, form that magnetic is integrated to be become
Depressor；
3. the magnetic integrated transformer being completed is subjected to a series of performance tests, including the number of turns, inductance, leakage inductance, direct current
Resistance, pressure-resistant index, qualified product enter dipping lacquer and drying, and after drying, product is rechecked, qualified rear coding lettering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711435936.7A CN107887147A (en) | 2017-12-26 | 2017-12-26 | A kind of magnetic integrated transformer and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711435936.7A CN107887147A (en) | 2017-12-26 | 2017-12-26 | A kind of magnetic integrated transformer and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107887147A true CN107887147A (en) | 2018-04-06 |
Family
ID=61772555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711435936.7A Pending CN107887147A (en) | 2017-12-26 | 2017-12-26 | A kind of magnetic integrated transformer and processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107887147A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062715A (en) * | 2019-01-11 | 2019-07-26 | 广东美信科技股份有限公司 | A kind of new-energy automobile mobile transformer and new-energy automobile |
| CN110444391A (en) * | 2019-08-14 | 2019-11-12 | 深圳可立克科技股份有限公司 | A kind of winding method of integrated-type magnetic elements winding |
| CN112906199A (en) * | 2021-01-22 | 2021-06-04 | 湖南大学 | Multi-transformer electromagnetic decoupling and high-degree magnetic integration design method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08298219A (en) * | 1995-03-01 | 1996-11-12 | Yamaha Corp | Inductor and transformer |
| US20050243582A1 (en) * | 2004-04-30 | 2005-11-03 | Hon Hai Precision Industry Co., Ltd. | DC transformer with an output inductance integrated on a magnetic core thereof and a DC/DC converter employing the same |
| US20050286270A1 (en) * | 2004-06-24 | 2005-12-29 | Petkov Roumen D | Full wave series resonant type DC to DC power converter with integrated magnetics |
| US20080186122A1 (en) * | 2007-02-07 | 2008-08-07 | Zhe Jiang University | Integrated structure of passive elements in LLC resonance converter realized by flexible circuit boards |
| CN202585081U (en) * | 2012-04-23 | 2012-12-05 | 合肥海奥电气科技有限公司 | High-power magnetic integrated transformer for electric vehicle charging machine |
| US20130343091A1 (en) * | 2012-06-22 | 2013-12-26 | Det International Holding Limited | Integrated magnetics for soft switching converter |
| CN103871716A (en) * | 2014-02-18 | 2014-06-18 | 同济大学 | Integrated magnetic structure |
| CN203760297U (en) * | 2013-12-30 | 2014-08-06 | 联合汽车电子有限公司 | Integration structure of transformer and inductor |
| CN104300802A (en) * | 2014-07-14 | 2015-01-21 | 南京航空航天大学 | Single-stage boost inverter with magnetic integration transformer |
| CN104851574A (en) * | 2015-05-15 | 2015-08-19 | 广州金升阳科技有限公司 | Magnetic element and switch power supply based on magnetic element |
| CN106205978A (en) * | 2016-08-28 | 2016-12-07 | 天津光电惠高电子有限公司 | A kind of LLC transformator and processing technique thereof |
| CN207752869U (en) * | 2017-12-26 | 2018-08-21 | 天津光电润达电子有限公司 | A kind of magnetic integrated transformer |
-
2017
- 2017-12-26 CN CN201711435936.7A patent/CN107887147A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08298219A (en) * | 1995-03-01 | 1996-11-12 | Yamaha Corp | Inductor and transformer |
| US20050243582A1 (en) * | 2004-04-30 | 2005-11-03 | Hon Hai Precision Industry Co., Ltd. | DC transformer with an output inductance integrated on a magnetic core thereof and a DC/DC converter employing the same |
| US20050286270A1 (en) * | 2004-06-24 | 2005-12-29 | Petkov Roumen D | Full wave series resonant type DC to DC power converter with integrated magnetics |
| US20080186122A1 (en) * | 2007-02-07 | 2008-08-07 | Zhe Jiang University | Integrated structure of passive elements in LLC resonance converter realized by flexible circuit boards |
| CN202585081U (en) * | 2012-04-23 | 2012-12-05 | 合肥海奥电气科技有限公司 | High-power magnetic integrated transformer for electric vehicle charging machine |
| US20130343091A1 (en) * | 2012-06-22 | 2013-12-26 | Det International Holding Limited | Integrated magnetics for soft switching converter |
| CN203760297U (en) * | 2013-12-30 | 2014-08-06 | 联合汽车电子有限公司 | Integration structure of transformer and inductor |
| CN103871716A (en) * | 2014-02-18 | 2014-06-18 | 同济大学 | Integrated magnetic structure |
| CN104300802A (en) * | 2014-07-14 | 2015-01-21 | 南京航空航天大学 | Single-stage boost inverter with magnetic integration transformer |
| CN104851574A (en) * | 2015-05-15 | 2015-08-19 | 广州金升阳科技有限公司 | Magnetic element and switch power supply based on magnetic element |
| CN106205978A (en) * | 2016-08-28 | 2016-12-07 | 天津光电惠高电子有限公司 | A kind of LLC transformator and processing technique thereof |
| CN207752869U (en) * | 2017-12-26 | 2018-08-21 | 天津光电润达电子有限公司 | A kind of magnetic integrated transformer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062715A (en) * | 2019-01-11 | 2019-07-26 | 广东美信科技股份有限公司 | A kind of new-energy automobile mobile transformer and new-energy automobile |
| CN110444391A (en) * | 2019-08-14 | 2019-11-12 | 深圳可立克科技股份有限公司 | A kind of winding method of integrated-type magnetic elements winding |
| CN110444391B (en) * | 2019-08-14 | 2021-03-09 | 深圳可立克科技股份有限公司 | Winding method of integrated magnetic component winding |
| CN112906199A (en) * | 2021-01-22 | 2021-06-04 | 湖南大学 | Multi-transformer electromagnetic decoupling and high-degree magnetic integration design method |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180921 Address after: 300211 No. 6, Taishan Road, Tianjin, Hexi District Applicant after: TIANJIN HUIGAO MAGNETICS Co.,Ltd. Address before: 300211 No. 6, Taishan Road, Tianjin, Hexi District Applicant before: TIANJIN PHOTOELECTRIC RUNDA ELECTRONICS Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180406 |
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