CN207321121U - A kind of magnetic integration apparatus based on CLLC circuits - Google Patents
A kind of magnetic integration apparatus based on CLLC circuits Download PDFInfo
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- CN207321121U CN207321121U CN201721493644.4U CN201721493644U CN207321121U CN 207321121 U CN207321121 U CN 207321121U CN 201721493644 U CN201721493644 U CN 201721493644U CN 207321121 U CN207321121 U CN 207321121U
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Abstract
The utility model provides a kind of magnetic integration apparatus based on CLLC circuits, transformer independent in CLLC circuits and two inductance are carried out magnetic to be integrated and connected, provide that each inductance shares a piece of magnetic core with transformer or two inductance share the magnetic integration apparatus that one of inductance after a piece of magnetic core shares a piece of magnetic core with transformer again, it is not easy to put greatly in interiors of products volume so as to solve transformer independent in the CLLC circuits of the prior art and inductance, and the problem of magnetic losses.
Description
Technical field
It the utility model is related to CLLC field of circuit technology, more particularly to a kind of magnetic integration apparatus based on CLLC circuits.
Background technology
With the development of Power Electronic Technique and battery technology, the application of energy storage requirement is more and more on the market, such as family
Front yard photovoltaic energy storage system, new-energy automobile energy-storage system etc..The bidirectional DC/DC circuit part important as energy-storage system, it is double
Studied to DCDC circuits be subject to more and more people.Traditional transposition full-bridge circuit and double had based on what transposition full-bridge developed
Source bridge circuit (DAB) circuit can realize that bidirectional DC/DC converts, but efficiency is very low under light duty, is frequently not most preferable
Topology selection.In recent years since LLC circuits can realize Sofe Switch in full-load range, high efficiency is realized in full-load range
Operation, LLC circuits are widely used in unidirectional DCDC.
Bidirectional DC/DC conversion is realized based on the CLLC circuits that LLC is developed.Shown in CLLC circuit below figures 1A.The electricity
Primary side full-bridge circuit and secondary full-bridge circuit composition are route, primary and secondary side is formed by active device, and primary and secondary side is respectively gone here and there
Join capacitance and inductance, form resonance circuit, former secondary realizes electrical isolation by transformer.Figure 1A is basic CLLC circuits,
CLLC circuits are made of resonant inductance L1, resonant inductance L2, transformer T and former negative side resonant capacitance.In basic CLLC circuits
On the basis of, it is in series or in parallel by primary side or secondary full-bridge circuit, it can realize power ascension, or widen pressure regulation model
Enclose, at the same can also optimization system operating point, lifting system efficiency.CLLC circuits inherit LLC can be real in full-load range
The advantages of existing Sofe Switch, while can realize that bidirectional DC/DC converts, CLLC circuits are a kind of bidirectional DC/DC circuits well.
In the CLLC circuits of the prior art, magnetic device is made of two inductance and a transformer, and overall volume is big,
It is not easy to put in interiors of products, while magnetic device loss is bigger.Therefore, the magnetic device urgently to be resolved hurrily in CLLC circuits
The problem of volume is greatly with loss.
Utility model content
The defects of in order to solve in the prior art, the utility model provide a kind of magnetic based on CLLC circuits and integrate dress
Put, solves the problems, such as in CLLC circuits magnetic device volume greatly and magnetic losses by integrated magnetic device.
To achieve these goals, the utility model embodiment provides a kind of magnetic integration apparatus based on CLLC circuits,
Including：Transformer and two inductance, two inductance are located at the homonymy of the transformer；
Respectively there are one first magnetic core in the both sides of the transformer；Each inductance side has one second magnetic core；
Two inductance share second magnetic core, and the inductance adjacent with the transformer is shared with the transformer
One first magnetic core.
The utility model embodiment additionally provides a kind of magnetic integration apparatus based on CLLC circuits, including：Transformer and two
A inductance, two inductance are located at the both sides of the transformer；
Respectively there are one first magnetic core in the both sides of the transformer；Each inductance side has one second magnetic core；
Two inductance share the first magnetic core described in side with the transformer respectively.
The beneficial effects of the utility model are：The utility model is by by transformer independent in CLLC circuits and two electricity
Sense carries out magnetic and is integrated and connected, that is, provides that each inductance shares a piece of magnetic core with transformer or two inductance share a piece of magnetic
One of inductance shares the magnetic integration apparatus of a piece of magnetic core with transformer again after core, so as to solve the CLLC electricity of the prior art
Independent transformer and inductance are not easy to put greatly in interiors of products volume in road, and the problem of magnetic losses.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Figure 1A and Figure 1B is CLLC circuit and its cut-away view basic in the prior art；
Fig. 2A, Fig. 2 B and Fig. 2 C are transformer and its internal structure schematic diagram in the utility model；
Fig. 3 A, Fig. 3 B and Fig. 3 C are inductance and its internal structure schematic diagram in the utility model；
Fig. 4 A, Fig. 4 B and Fig. 4 C are transformer and induction structure schematic diagram after being integrated in one embodiment of the utility model；
Fig. 5 A and Fig. 5 B are transformer and induction structure schematic diagram after being integrated in another embodiment of the utility model.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
On " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position,
Also be not used to limit the utility model, its only for distinguish with constructed term description element or operation.
On " electric property coupling " used herein, can refer to two or multiple element mutually directly make entity or be electrically connected with
Touch, or mutually put into effect body or in electrical contact indirectly, and " electric property coupling " also can refer to two or more element mutual operations or dynamic
Make.
It is open term, i.e., on "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
On it is used herein " and/or ", include the things any or all combination.
On direction term used herein, such as：Upper and lower, left and right, front or rear etc., are only to refer to annexed drawings
Direction.Therefore, the direction term used is intended to be illustrative and not intended to limit this case.
In the prior art the magnetic device in CLLC circuits as shown in Figure 1B, including：Transformer T, inductance L1 and inductance L2.Its
Middle transformer T or so two respectively has a magnetic core T1, inductance L1 or so two respectively to have a magnetic core L11, inductance L2 or so two
Respectively there is a magnetic core L21.Have to have in magnetic core a center pillar L12, inductance L2 in magnetic core a center pillar T2, inductance L1 in transformer T and have one
Magnetic core center pillar L22.Transformer T, inductance L1 and inductance L2 are each other independent structure magnetic integrated devices in the prior art
Magnetic device, body is larger in CLLC circuits is not easy to put, and the loss that is magnetic between adjacent magnetic core.
For defect existing in the prior art, the utility model embodiment provides a kind of magnetic collection based on CLLC circuits
Into device.Fig. 2A is the utility model transformer device structure schematic diagram, and Fig. 3 A are the utility model induction structure schematic diagram.This practicality
New magnetic integration apparatus includes：One transformer 1 and two inductance 2 as shown in Figure 3A as shown in Figure 2 A.Fig. 2 B are magnetic
The structure diagram of core 3, Fig. 2 C are the structure diagram of magnetic core center pillar 5.As shown in Figure 2 A, transformer 1 is symmetrical by left and right two panels
Magnetic core 3 and magnetic core center pillar 5 form.Fig. 3 B are the structure diagram of magnetic core 4, and Fig. 3 C are the structure diagram of magnetic core center pillar 6.Such as
Shown in Fig. 3 A, inductance 2 is made of a piece of magnetic core 4 and magnetic core center pillar 6.Wherein magnetic core 3 and magnetic core 4 is PQ series magnetic cores, this practicality
It is new to be not limited.
Wherein as shown in Figure 4 A, two inductance 2 share a kind of magnetic integration apparatus based on CLLC circuits of the utility model
After a piece of magnetic core 4, then with transformer 1 share a piece of magnetic core 3, form magnetic integration apparatus.As shown in Figure 4 B, common core face 7 is
Two inductance 2 share the common core face of a piece of magnetic core 4.As shown in Figure 4 C, common core face 8 is an inductance 2 and transformer 1
Share the common core face of a piece of magnetic core 3.
In one embodiment, in the magnetic integration apparatus based on CLLC circuits of the utility model, as shown in Figure 4 A, two
The shape of the magnetic core 4 of inductance 2 is identical, but volume size can be different.Bulky inductance 2 and 1 common transformer of transformer, 1 side
Magnetic core 3.As shown in Figure 4 A, two inductance 2 share a magnetic core 4, and shared core plan is common core face 7.
In one embodiment, as shown in Figure 4 A, 1 center of transformer has a magnetic core center pillar 5, and 2 center of inductance has
One magnetic core center pillar 6.Wherein, according to the coiling side that the common core face 7 for offsetting shared magnetic core 4 is magnetic between magnetic core center pillar 6
To carrying out coiling, and magnetic core center pillar 5 and magnetic core center pillar 6 are according to offsetting the public of transformer 1 and the shared magnetic core 3 of inductance 2
The magnetic direction of winding of core plan 8 carries out coiling.
For defect existing in the prior art, the utility model embodiment additionally provides a kind of magnetic based on CLLC circuits
Integrating device.Fig. 2A is the utility model transformer device structure schematic diagram, and Fig. 3 A are the utility model induction structure schematic diagram.This reality
Included with new magnetic integration apparatus：One transformer 1 and two inductance 2 as shown in Figure 3A as shown in Figure 2 A.Fig. 2 B are
The structure diagram of magnetic core 3, Fig. 2 C are the structure diagram of magnetic core center pillar 5.As shown in Figure 2 A, transformer 1 is by left and right two panels pair
The magnetic core 3 and magnetic core center pillar 5 of title form.Fig. 3 B are the structure diagram of magnetic core 4, and Fig. 3 C are the structure diagram of magnetic core center pillar 6.
As shown in Figure 3A, inductance 2 is made of a piece of magnetic core 4 and magnetic core center pillar 6.Wherein magnetic core 3 and magnetic core 4 is PQ series magnetic cores, this reality
It is not limited with new.
Wherein as shown in Figure 5A, two inductance 2 divide another magnetic integration apparatus based on CLLC circuits of the utility model
Not with the magnetic core 3 of 1 common transformer of transformer, 1 side, magnetic integration apparatus is formed.As shown in Figure 5 B, common core face 8 is inductance
2 share the common core face of magnetic core 3 with transformer 1.
In one embodiment, in the magnetic integration apparatus based on CLLC circuits of the utility model, as shown in Figure 5A, transformation
The magnetic core 3 of the both sides of device 1 is identical with the shape of the magnetic core 4 of inductance 2, and the volume size of the magnetic core 3 of the both sides of transformer 1 is not less than
The magnetic core 4 of inductance 2.
In one embodiment, as shown in Figure 5A, 1 center of transformer has a magnetic core center pillar 5, and 2 center of inductance has
One magnetic core center pillar 6.Wherein, the magnetic core 3 that magnetic core center pillar 5 and magnetic core center pillar 6 are shared according to offsetting between transformer 1 and inductance 2
The magnetic direction of winding coiling in common core face 8.
Structurally, the winding of transformer is not different, so-called primary side, secondary, are existed for transformer winding
For effect in circuit.That winding that power supply supplies electricity to transformer is defined as primary side, and transformer is exported to load
That winding is defined as secondary.By taking the magnetic integration apparatus based on CLLC circuits shown in Fig. 5 A as an example, as shown in Figure 5A, magnetic integrates
When device works in CLLC circuits, an inductance 2 is identical with direction with the primary side winding size of current of transformer 1, another
Inductance 2 is identical with the secondary winding current size and Orientation of transformer 1, is become by magnetic core center pillar 5 and magnetic core center pillar 6 according to counteracting
The direction of winding winding mode in the common core face 8 shared between depressor 1 and inductance 2, ensures magnetic core center pillar 5 and magnetic core center pillar 6
Flow direction it is identical, it is possible to achieve the magnetic flux on the common core face 8 of inductance 2 and transformer 1 is cancelled out each other, so as to reduce magnetic
Property device loss.
The beneficial effects of the utility model are：The utility model is by by transformer independent in CLLC circuits and two electricity
Sense carries out magnetic and is integrated and connected, that is, provides that each inductance shares a piece of magnetic core with transformer or two inductance share a piece of magnetic
One of inductance shares the magnetic integration apparatus of a piece of magnetic core with transformer again after core, so as to solve the CLLC electricity of the prior art
Independent transformer and inductance are not easy to put greatly in interiors of products volume in road, and the problem of magnetic losses.
Specific embodiment is applied in the utility model to be set forth the principle and embodiment of the utility model, with
The explanation of upper embodiment is only intended to help the method and its core concept for understanding the utility model；Meanwhile for this area
Those skilled in the art, according to the thought of the utility model, there will be changes, comprehensive in specific embodiments and applications
Upper described, this specification content should not be construed as the limitation to the utility model.
Claims (6)
1. a kind of magnetic integration apparatus based on CLLC circuits, including：Transformer and two inductance, it is characterised in that described in two
Inductance is located at the homonymy of the transformer；
Respectively there are one first magnetic core in the both sides of the transformer；Each inductance side has one second magnetic core；
Two inductance share second magnetic core, and the inductance adjacent with the transformer shares an institute with the transformer
State the first magnetic core.
2. the magnetic integration apparatus according to claim 1 based on CLLC circuits, it is characterised in that the public affairs of first magnetic core
Core plan is not less than second magnetic core altogether；First magnetic core is identical with second core shapes.
3. the magnetic integration apparatus according to claim 1 based on CLLC circuits, it is characterised in that have in the transformer
One first magnetic core center pillar, has one second magnetic core center pillar in the inductance；In the first magnetic core center pillar and second magnetic core
Column is according to the direction of winding coiling for offsetting shared magnetic core surface magnetism.
4. a kind of magnetic integration apparatus based on CLLC circuits, including：Transformer and two inductance, it is characterised in that described in two
Inductance is located at the both sides of the transformer；
Respectively there are one first magnetic core in the both sides of the transformer；Each inductance side has one second magnetic core；
Two inductance share the first magnetic core described in side with the transformer respectively.
5. the magnetic integration apparatus according to claim 4 based on CLLC circuits, it is characterised in that the magnetic of first magnetic core
Core face is not less than second magnetic core；First magnetic core is identical with second core shapes.
6. the magnetic integration apparatus according to claim 4 based on CLLC circuits, it is characterised in that have in the transformer
One first magnetic core center pillar, has one second magnetic core center pillar in the inductance；In the first magnetic core center pillar and second magnetic core
Column is according to the direction of winding coiling for offsetting shared magnetic core surface magnetism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493644.4U CN207321121U (en) | 2017-11-10 | 2017-11-10 | A kind of magnetic integration apparatus based on CLLC circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493644.4U CN207321121U (en) | 2017-11-10 | 2017-11-10 | A kind of magnetic integration apparatus based on CLLC circuits |
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| Publication Number | Publication Date |
|---|---|
| CN207321121U true CN207321121U (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721493644.4U Expired - Fee Related CN207321121U (en) | 2017-11-10 | 2017-11-10 | A kind of magnetic integration apparatus based on CLLC circuits |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202020101764U1 (en) | 2019-04-08 | 2020-06-28 | Premo, S.A. | Transformer used as a series inductor for ZVS or LLC resonance converters |
| CN111541376A (en) * | 2020-04-13 | 2020-08-14 | 吉利汽车研究院（宁波）有限公司 | Power conversion circuit and direct current converter |
| US11955883B2 (en) | 2019-09-11 | 2024-04-09 | Huawei Technologies Co., Ltd. | Magnetic apparatus and two-way DC converter circuit |
-
2017
- 2017-11-10 CN CN201721493644.4U patent/CN207321121U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202020101764U1 (en) | 2019-04-08 | 2020-06-28 | Premo, S.A. | Transformer used as a series inductor for ZVS or LLC resonance converters |
| US11955883B2 (en) | 2019-09-11 | 2024-04-09 | Huawei Technologies Co., Ltd. | Magnetic apparatus and two-way DC converter circuit |
| CN111541376A (en) * | 2020-04-13 | 2020-08-14 | 吉利汽车研究院（宁波）有限公司 | Power conversion circuit and direct current converter |
| CN111541376B (en) * | 2020-04-13 | 2022-03-18 | 吉利汽车研究院（宁波）有限公司 | Power conversion circuit and direct current converter |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20211110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |