CN110148512A - Three magnetic cores decouple magnetic integrated transformer - Google Patents
Three magnetic cores decouple magnetic integrated transformer Download PDFInfo
- Publication number
- CN110148512A CN110148512A CN201910434211.9A CN201910434211A CN110148512A CN 110148512 A CN110148512 A CN 110148512A CN 201910434211 A CN201910434211 A CN 201910434211A CN 110148512 A CN110148512 A CN 110148512A
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- Prior art keywords
- magnetic core
- shaped magnetic
- winding
- transformer
- intermediate cross
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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
- H01F27/24—Magnetic cores
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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
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/04—Fixed transformers not covered by group H01F19/00 having two or more secondary windings, each supplying a separate load, e.g. for radio set power supplies
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a kind of three magnetic cores to decouple magnetic integrated transformer, it include four groups of windings, intermediate cross magnetic core, U-shaped magnetic core one and U-shaped magnetic core two, the U-shaped magnetic core one and U-shaped magnetic core two are located at the two sides of intermediate cross magnetic core and installation direction is opposite, it is mutually 90 degree, U-shaped magnetic core one and U-shaped magnetic core two are equidirectional with the both wings of intermediate cross magnetic core respectively, one wing of U-shaped magnetic core one and intermediate cross magnetic core forms a transformer, and another wing of U-shaped magnetic core two and intermediate cross magnetic core forms another transformer.The present invention can either also can be realized decoupling when two transformers work at the same time by the integrated volume for reducing script dual transformer.If being intended merely to a transformer job, do not need to disconnect another transformer load, when requiring two transformers to work at the same time, because of the decoupling of winding, two transformers can work independently without interacting.
Description
Technical field
The present invention relates to transformer technology fields, more particularly to a kind of three magnetic cores to decouple magnetic integrated transformer.
Background technique
It is directed to the integrated form for generalling use multiwinding transformer of two transformers at present, there are the couplings between winding
Problem will necessarily induce corresponding AC signal after applying AC signal on winding all the way, if being intended merely on other windings
One transformer work, can only be realized by way of disconnecting another transformer load, if it is desired to two transformers while work
Make, because of the coupled characteristic of winding, two transformers necessarily interact.
Summary of the invention
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of three magnetic cores decoupling magnetic integrated transformer.
The present invention is achieved by the following technical solutions:
A kind of three magnetic cores decoupling magnetic integrated transformer includes four groups of windings, intermediate cross magnetic core, U-shaped magnetic core one and U-shaped magnetic
Core two, the U-shaped magnetic core one and U-shaped magnetic core two are located at the two sides of intermediate cross magnetic core and installation direction is opposite, mutually
At 90 degree, U-shaped magnetic core one and U-shaped magnetic core two are equidirectional with the both wings of intermediate cross magnetic core respectively, U-shaped magnetic core one and centre ten
One wing of shaped magnetic core forms a transformer, and another wing of U-shaped magnetic core two and intermediate cross magnetic core forms another transformation
Device.
There are two types of distribution modes, i.e. two sides distribution and centre respectively for winding on the U-shaped magnetic core one and U-shaped magnetic core two
Distribution.
Winding distribution mode on the both wings of the cross magnetic core in the centre is two sides distribution.
It can either also can be realized when two transformers work at the same time by the integrated volume for reducing script dual transformer
Decoupling.If being intended merely to the work of transformer, do not need to disconnect another transformer load, when requiring two transformers work simultaneously
When making, because of the decoupling of winding, two transformers can work independently without interacting.
The invention has the advantages that 1, relative to two independent transformers, structure of the invention is integrated by four magnetic by magnetic
Core is reduced to three magnetic cores, effectively reduces volume of transformer；
2, two transformers after integrating have Decoupling Characteristics, and the work of one of transformer will not make another transformer
At influence, two transformers can work independently simultaneously.
Detailed description of the invention
Fig. 1 is magnetic integrated morphology main view exploded view of the invention.
Fig. 2 is magnetic integrated morphology top view of the invention.
Fig. 3 is magnetic integrated morphology left view exploded view of the invention.
Fig. 4 is transformer practical circuit diagram of the present invention.
Fig. 5 is two kinds of winding distribution modes on U-shaped magnetic core one (Fig. 5 a is two sides distribution, and Fig. 5 b is intermediate distribution).
Fig. 6 is the distribution mode of winding on a wing of intermediate cross magnetic core.
Fig. 7 is the distribution mode of winding on another wing of intermediate cross magnetic core.
Fig. 8 is two kinds of winding distribution modes on U-shaped magnetic core two (Fig. 8 a is two sides distribution, and Fig. 8 b is intermediate distribution).
Specific embodiment
As shown in Figure 1, 2, 3, a kind of three magnetic cores decouple magnetic integrated transformer, include four groups of windings, intermediate cross magnetic
Core, U-shaped magnetic core one and U-shaped magnetic core two, the U-shaped magnetic core 1 and U-shaped magnetic core 23 are located at intermediate cross magnetic core 1
Two sides and installation direction is opposite, are mutually 90 degree, U-shaped magnetic core 1 and U-shaped magnetic core 23 both wings with intermediate cross magnetic core 1 respectively
Equidirectional, a wing a of U-shaped magnetic core 1 and intermediate cross magnetic core forms a transformer, and U-shaped magnetic core 23 and centre are cross
Another wing b of magnetic core forms another transformer.Between intermediate cross magnetic core 1, the U-shaped magnetic core 1 in both sides and U-shaped magnetic core 23
Adhesive tape can be wrapped with by outside to fix, can also be not fixed, make as Non-contact Electromagnetic Coupling mechanism in wireless charging occasion
With.
There are two types of distribution modes respectively for winding on the U-shaped magnetic core 1 and U-shaped magnetic core 23, i.e. two sides distribution is in
Between be distributed.
Winding distribution mode on the both wings of the cross magnetic core 1 in the centre is two sides distribution.
As shown in Figure 1, magnetic core 1 is intermediate cross magnetic core in figure, there are both wings a and b, unilateral U-shaped magnetic core one and centre
One wing a of cross magnetic core 1 is at a transformer T1.As shown in Fig. 2, the U-shaped magnetic core installation direction in both sides is opposite, 90 degree are mutually,
And it is equidirectional with the both wings of intermediate cross magnetic core respectively.As shown in figure 3, magnetic integrated morphology vertical structure is symmetrical, another side is U-shaped
Another wing b of magnetic core two and intermediate cross magnetic core 1 forms another transformer T2.As shown in figure 4, integrating transformation in figure for magnetic
The actual circuit of device, magnetic integrated transformer include magnetic core M1, M2, M3, M4, can have following eight kinds with three magnetic cores of the invention
Corresponded manner, as shown in table 1:
| Magnetic core M1 | Magnetic core M2 | Magnetic core M3 | Magnetic core M4 | |
| The first corresponded manner | Magnetic core 2 | The wing a of magnetic core 1 | Magnetic core 3 | The wing b of magnetic core 1 |
| Second of corresponded manner | Magnetic core 2 | The wing a of magnetic core 1 | The wing b of magnetic core 1 | Magnetic core 3 |
| The third corresponded manner | The wing a of magnetic core 1 | Magnetic core 2 | Magnetic core 3 | The wing b of magnetic core 1 |
| 4th kind of corresponded manner | The wing a of magnetic core 1 | Magnetic core 2 | The wing b of magnetic core 1 | Magnetic core 3 |
| 5th kind of corresponded manner | Magnetic core 3 | The wing b of magnetic core 1 | Magnetic core 2 | The wing a of magnetic core 1 |
| 6th kind of corresponded manner | The wing b of magnetic core 1 | Magnetic core 3 | Magnetic core 2 | The wing a of magnetic core 1 |
| 7th kind of corresponded manner | Magnetic core 3 | The wing b of magnetic core 1 | The wing a of magnetic core 1 | Magnetic core 2 |
| 8th kind of corresponded manner | The wing b of magnetic core 1 | Magnetic core 3 | The wing a of magnetic core 1 | Magnetic core 2 |
Table 1 is eight kinds of corresponded manners of magnetic core M1, M2, M3, M4 and three magnetic cores of the invention
As shown in figure 4, share two pairs i.e. 4 road windings in figure, wherein winding L1 and L2 is first pair of winding, and winding L3 and L4 are the
Two pairs of windings, L1 are wound on magnetic core M1, and L2 is wound on magnetic core M2, and L3 is wound on magnetic core M3, and L4 is wound on magnetic core M4.
As shown in figure 5, there are two types of winding distribution modes on U-shaped magnetic core one, it is two sides distribution and intermediate distribution respectively, works as magnetic
When logical direction is clockwise direction, current direction is as shown, when flow direction is counter clockwise direction, in current direction and figure
Label direction is opposite.As shown in fig. 6, having a kind of winding distribution mode on the wing a of intermediate cross magnetic core, it is distributed for two sides, when
Flow direction be clockwise direction when, current direction as shown, when flow direction be counter clockwise direction when, current direction and figure
Middle mark is contrary.As shown in fig. 7, having a kind of winding distribution mode on the wing b of intermediate cross magnetic core, it is distributed for two sides,
When flow direction be clockwise direction when, current direction as shown, when flow direction be counter clockwise direction when, current direction with
It is marked in figure contrary.As shown in figure 8, there are two types of winding distribution modes on U-shaped magnetic core two, it is two sides distribution and centre respectively
Distribution, when flow direction be clockwise direction when, current direction as shown, when flow direction be counter clockwise direction when, electric current
It is marked in direction and figure contrary.
For U-shaped magnetic core one, when using the first corresponded manner shown in table, the winding on magnetic core is L1, when adopting
Shown in table when second of corresponded manner, the winding on magnetic core is L1, when using the third corresponded manner shown in table
When, the winding on magnetic core is L2, and when using the 4th kind of corresponded manner shown in table, the winding on magnetic core is L2, works as use
Shown in table when the 5th kind of corresponded manner, the winding on magnetic core is L3, when using the 6th kind of corresponded manner shown in table,
Winding on magnetic core is L3, and when using the 7th kind of corresponded manner shown in table, the winding on magnetic core is L4, when using table
Shown in the 8th kind of corresponded manner when, the winding on magnetic core is L4.
For U-shaped magnetic core two, when using the first corresponded manner shown in table, the winding on magnetic core is L3, when adopting
Shown in table when second of corresponded manner, the winding on magnetic core is L4, when using the third corresponded manner shown in table
When, the winding on magnetic core is L3, and when using the 4th kind of corresponded manner shown in table, the winding on magnetic core is L4, works as use
Shown in table when the 5th kind of corresponded manner, the winding on magnetic core is L1, when using the 6th kind of corresponded manner shown in table,
Winding on magnetic core is L2, and when using the 7th kind of corresponded manner shown in table, the winding on magnetic core is L1, when using table
Shown in the 8th kind of corresponded manner when, the winding on magnetic core is L2.
For the wing a of magnetic core 1, when using the first corresponded manner shown in table, the winding on magnetic core is L2, when adopting
Shown in table when second of corresponded manner, the winding on magnetic core is L2, when using the third corresponded manner shown in table
When, the winding on magnetic core is L1, and when using the 4th kind of corresponded manner shown in table, the winding on magnetic core is L1, works as use
Shown in table when the 5th kind of corresponded manner, the winding on magnetic core is L4, when using the 6th kind of corresponded manner shown in table,
Winding on magnetic core is L4, and when using the 7th kind of corresponded manner shown in table, the winding on magnetic core is L3, when using table
Shown in the 8th kind of corresponded manner when, the winding on magnetic core is L3.
Winding for the wing b of intermediate cross magnetic core, when using the first corresponded manner shown in table, on magnetic core
For L4, when using second of corresponded manner shown in table, the winding on magnetic core is L3, when using shown in table the third
When corresponded manner, the winding on magnetic core is L4, and when using the 4th kind of corresponded manner shown in table, the winding on magnetic core is
L3, when using the 5th kind of corresponded manner shown in table, the winding on magnetic core is L2, when right using the 6th kind shown in table
When answering mode, the winding on magnetic core is L1, and when using the 7th kind of corresponded manner shown in table, the winding on magnetic core is L2,
When using the 8th kind of corresponded manner shown in table, the winding on magnetic core is L1.
Claims (3)
1. a kind of three magnetic cores decouple magnetic integrated transformer, it is characterised in that: include four groups of windings, intermediate cross magnetic core, U-shaped
Magnetic core one and U-shaped magnetic core two, the U-shaped magnetic core one and U-shaped magnetic core two are located at the two sides of intermediate cross magnetic core and peace
It is opposite to fill direction, is mutually 90 degree, U-shaped magnetic core one and U-shaped magnetic core two are equidirectional with the both wings of intermediate cross magnetic core respectively, by four
Road winding is rotating around on the both wings, U-shaped magnetic core one and U-shaped magnetic core two of intermediate cross magnetic core, U-shaped magnetic core one and intermediate cross
One wing of type magnetic core forms a transformer, and another wing of U-shaped magnetic core two and intermediate cross magnetic core forms another transformer.
2. a kind of three magnetic core according to claim 1 decouples magnetic integrated transformer, it is characterised in that: the U-shaped magnetic core
One and U-shaped magnetic core two on winding respectively there are two types of distribution mode, i.e. two sides distribution and intermediate distribution.
3. a kind of three magnetic core according to claim 1 decouples magnetic integrated transformer, it is characterised in that: the intermediate cross
Winding distribution mode on the both wings of type magnetic core is two sides distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434211.9A CN110148512B (en) | 2019-05-23 | 2019-05-23 | Three-magnetic-core decoupling magnetic integrated transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434211.9A CN110148512B (en) | 2019-05-23 | 2019-05-23 | Three-magnetic-core decoupling magnetic integrated transformer |
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| Publication Number | Publication Date |
|---|---|
| CN110148512A true CN110148512A (en) | 2019-08-20 |
| CN110148512B CN110148512B (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910434211.9A Active CN110148512B (en) | 2019-05-23 | 2019-05-23 | Three-magnetic-core decoupling magnetic integrated transformer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2374953Y (en) * | 1999-05-26 | 2000-04-19 | 沈墅 | Effective anti-interference transformer core |
| CN203406125U (en) * | 2013-06-20 | 2014-01-22 | 叶菁源 | Fully-symmetric integrated magnetics capable of eliminating direct current bias |
| CN205542299U (en) * | 2016-01-26 | 2016-08-31 | 深圳市创盈非晶新材料技术有限公司 | Novel high -efficient green energy -conserving nanocrystalline common mode inductance |
| CN106856140A (en) * | 2015-12-09 | 2017-06-16 | 乐金电子研发中心(上海)有限公司 | The common mode differential mode integrated inductor of bimag spatially interlaced arrangement |
| CN206480476U (en) * | 2017-01-06 | 2017-09-08 | 中科电力装备科技有限公司 | A kind of cross frame shape transformer structure |
| CN208796768U (en) * | 2018-07-21 | 2019-04-26 | 北京威扬永源科技发展有限公司 | A kind of transformer |
-
2019
- 2019-05-23 CN CN201910434211.9A patent/CN110148512B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2374953Y (en) * | 1999-05-26 | 2000-04-19 | 沈墅 | Effective anti-interference transformer core |
| CN203406125U (en) * | 2013-06-20 | 2014-01-22 | 叶菁源 | Fully-symmetric integrated magnetics capable of eliminating direct current bias |
| CN106856140A (en) * | 2015-12-09 | 2017-06-16 | 乐金电子研发中心(上海)有限公司 | The common mode differential mode integrated inductor of bimag spatially interlaced arrangement |
| CN205542299U (en) * | 2016-01-26 | 2016-08-31 | 深圳市创盈非晶新材料技术有限公司 | Novel high -efficient green energy -conserving nanocrystalline common mode inductance |
| CN206480476U (en) * | 2017-01-06 | 2017-09-08 | 中科电力装备科技有限公司 | A kind of cross frame shape transformer structure |
| CN208796768U (en) * | 2018-07-21 | 2019-04-26 | 北京威扬永源科技发展有限公司 | A kind of transformer |
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|---|---|
| CN110148512B (en) | 2021-08-06 |
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