CN206117512U - Novel two -way active full -bridge resonant transformation ware of variable structure - Google Patents
Novel two -way active full -bridge resonant transformation ware of variable structure Download PDFInfo
- Publication number
- CN206117512U CN206117512U CN201620615733.0U CN201620615733U CN206117512U CN 206117512 U CN206117512 U CN 206117512U CN 201620615733 U CN201620615733 U CN 201620615733U CN 206117512 U CN206117512 U CN 206117512U
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- switching tube
- drain electrode
- source electrode
- transformator
- transformer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a novel two -way active full -bridge resonant transformation ware of variable structure, the utility model discloses based on on the basis of two -way active full -bridge resonant transformation ware, realize through two transformer winding's of the former avris of transformer series connection and vice the connecting in parallel of two full -bridge outputs of side of transformer, the utility model discloses a to switch tube K1, K2's control, the nimble former limit of realization transformer (the vice limit of transformer) the circuit structure of ability, under the circumstances that does not change the switching frequency adjusting range, the vice avris voltage range of effectual change transformer has reduced the loss of whole circuit for this circuit can have higher conversion efficiency under the great occasion of voltage transformation ratio.
Description
Technical field
This utility model is related to a kind of new power electronics interface converter technique field, and more particularly to a kind of isolated form is double
To active full-bridge resonant transform circuit, belong to power electronics and electrical technology field.
Background technology
In traditional bidirectional active full-bridge circuit, as shown in Fig. 2 transformer primary side (transformer secondary) voltage model
Enclose narrow and full-bridge circuit conversion efficiency is low.The output of traditional controlled resonant converter is the switch frequency by changing switching tube
Rate is realized changing output voltage, due to also becoming big with the operating frequency adjusting range of the rising of output voltage, switching device, with
The switching loss brought on device increase, make under system effectiveness.And at bidirectional active full-bridge controlled resonant converter two ends
The very big occasion of pressure reduction, transformer primary side switching tube needs to bear larger voltage, needs the switching tube for selecting stress levels high,
Loss also increases；The electric current that transformer secondary switching tube bears is larger, causes switching tube heating serious, causes substantial amounts of loss.
Therefore existing bidirectional active full-bridge resonance topological exists clearly disadvantageous in the occasion of high transformation ratio.
The content of the invention
The purpose of this utility model is to overcome existing bidirectional active full-bridge resonant transform circuit to turn in the larger occasion of transformation ratio
Change the problem that efficiency is low, transformer primary side (transformer secondary) voltage range is narrow, there is provided a kind of flexibly to change transformer primary side
The circuit topology of umber of turn and transformer secondary output circuit structure, reduces circuit loss, improves circuit efficiency, improves transformation
Device former limit (transformer secondary) voltage range.
To solve the above problems, the solution that this utility model is provided is：
A kind of new structure changes bidirectional active full-bridge controlled resonant converter of this utility model, is become based on bidirectional active full-bridge resonance
On the basis of parallel operation, by the series connection of two Transformer Windings of transformer primary avris and transformator pair side two full-bridge outfan
Parallel connection is realizing.
A kind of new structure changes bidirectional active full-bridge controlled resonant converter, including first switch pipe S1, second switch pipe S2,
Three switching tube S3, the 4th switching tube S4, the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4,
9th switching tube K1, the tenth switching tube K2, the 11st switching tube Q5, twelvemo close pipe Q6, the 13rd switching tube Q7, the 14th
Switching tube Q8, the first transformator T1, the second transformator T2, nonpolar electric capacity C1, polar capacitor C2, the first inductance Lr1, it is second electric
Sense Lr2With power supply V1；
The drain electrode of described first switch pipe S1 is connected with the drain electrode of the 3rd switching tube S3, the positive pole of power supply V1, and second opens
The source electrode for closing pipe S2 is connected with the source electrode of the 4th switching tube S4, the negative pole of power supply V1, source electrode, the second switch of first switch pipe S1
The drain electrode of pipe S2, the first inductance Lr1One end connection, the first inductance Lr1The other end be connected with one end of nonpolar electric capacity C1,
The other end of nonpolar electric capacity C1 is connected with one end of the first transformator T1 former limits side, the other end of the first transformator T1 former limits side
With the second inductance Lr2One end, the 9th switching tube K1 drain electrode connection, the second inductance Lr2The other end and the second transformator T2 it is former
One end connection of avris, the 9th switching tube other end, the source electrode of the 3rd switching tube S3, the drain electrode connection of the 4th switching tube S4, the
One end of one transformator T1 secondary side is connected with the source electrode of the 5th switching tube Q1, the drain electrode of the 6th switching tube Q2, the first transformator
The other end of T1 secondary side is connected with the source electrode of the 7th switching tube Q3, the drain electrode of the 8th switching tube Q4, the leakage of the 5th switching tube Q1
Pole, the drain electrode of the 7th switching tube Q3, the drain electrode of the 11st switching tube Q5, the drain electrode of the 13rd switching tube Q7, polar capacitor C2
Positive pole connects and as transformer secondary side positive source；The source electrode of the 6th switching tube Q2 and source electrode, the pole of the 8th switching tube Q4
Property the negative pole of electric capacity C2, twelvemo close the source electrode of pipe Q6, the source electrode connection of the 14th switching tube Q8 and as transformer secondary
The leakage of pipe Q6 is closed with the source electrode of the 11st switching tube Q5, twelvemo in side power cathode, one end of the second transformator T2 secondary side
Pole connection, the other end of the second transformator T2 secondary side and source electrode, the drain electrode of the 14th switching tube Q8 of the 13rd switching tube Q7
Connection.
Compared with existing bidirectional active full-bridge controlled resonant converter, the control that this utility model passes through switch tube K1, K2, energy
Transformer primary side (transformer secondary) circuit structure is flexibly realized, in the case where switching frequency adjusting range is not changed, is had
The change transformer secondary side voltage range of effect, reduces the loss of integrated circuit so that the circuit is larger in voltage change ratio
There can be higher conversion efficiency under occasion.
Description of the drawings
Fig. 1 is this utility model circuit theory diagrams；
Fig. 2 is the active full-bridge resonant transform circuit schematic diagram of traditional isolation type bidirectional.
Specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail：
Fig. 1 is schematic diagram of the present utility model, by switch compared with the active full-bridge converter of existing isolation type bidirectional
The control of pipe K1, switching tube K2, realizes series connection and the full-bridge outfan of transformer secondary side two of two transformer primary side windings
Parallel connection.
Involved switching tube refers to all wholly-controled devices in this patent, but with MOS in explanation of this patent to circuit
It is described as a example by pipe.
A kind of new structure changes bidirectional active full-bridge controlled resonant converter, including first switch pipe S1, second switch pipe S2,
Three switching tube S3, the 4th switching tube S4, the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4,
9th switching tube K1, the tenth switching tube K2, the 11st switching tube Q5, twelvemo close pipe Q6, the 13rd switching tube Q7, the 14th
Switching tube Q8, the first transformator T1, the second transformator T2, nonpolar electric capacity C1, polar capacitor C2, the first inductance Lr1, it is second electric
Sense Lr2With power supply V1；
The drain electrode of described first switch pipe S1 is connected with the drain electrode of the 3rd switching tube S3, the positive pole of power supply V1, and second opens
The source electrode for closing pipe S2 is connected with the source electrode of the 4th switching tube S4, the negative pole of power supply V1, source electrode, the second switch of first switch pipe S1
The drain electrode of pipe S2, the first inductance Lr1One end connection, the first inductance Lr1The other end be connected with one end of nonpolar electric capacity C1,
The other end of nonpolar electric capacity C1 is connected with one end of the first transformator T1 former limits side, the other end of the first transformator T1 former limits side
With the second inductance Lr2One end, the 9th switching tube K1 drain electrode connection, the second inductance Lr2The other end and the second transformator T2 it is former
One end connection of avris, the 9th switching tube other end, the source electrode of the 3rd switching tube S3, the drain electrode connection of the 4th switching tube S4, the
One end of one transformator T1 secondary side is connected with the source electrode of the 5th switching tube Q1, the drain electrode of the 6th switching tube Q2, the first transformator
The other end of T1 secondary side is connected with the source electrode of the 7th switching tube Q3, the drain electrode of the 8th switching tube Q4, the leakage of the 5th switching tube Q1
Pole, the drain electrode of the 7th switching tube Q3, the drain electrode of the 11st switching tube Q5, the drain electrode of the 13rd switching tube Q7, polar capacitor C2
Positive pole connects and as transformer secondary side positive source；The source electrode of the 6th switching tube Q2 and source electrode, the pole of the 8th switching tube Q4
Property the negative pole of electric capacity C2, twelvemo close the source electrode of pipe Q6, the source electrode connection of the 14th switching tube Q8 and as transformer secondary
The leakage of pipe Q6 is closed with the source electrode of the 11st switching tube Q5, twelvemo in side power cathode, one end of the second transformator T2 secondary side
Pole connection, the other end of the second transformator T2 secondary side and source electrode, the drain electrode of the 14th switching tube Q8 of the 13rd switching tube Q7
Connection.
When transformer secondary (transformer primary side) voltage range larger (little) for needing, the 9th switching tube K1, the tenth open
Close pipe K2 closure, the first transformator T1, first switch pipe S1, second switch pipe S2, the 3rd switching tube S3, the 4th switching tube S4,
5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4 access circuit, the second transformator T2, the tenth
One switching tube Q5, twelvemo are closed pipe Q6, the 13rd switching tube Q7, the 14th switching tube Q8 and are cut off from circuit, and this circuit is just
Become the active full-bridge resonant transform circuit of existing isolation type bidirectional, opened by change switching tube first switch pipe S1, second
Close the control of pipe S2, the 3rd switching tube S3, the realization of the 4th switching tube S4 switching frequencies to transformer secondary output voltage range；
When transformer secondary (transformer primary side) voltage range less (big) for needing, the 9th switching tube K1, the tenth open
Close pipe K2 to disconnect, the first transformator T1, the second transformator T2, first switch pipe S1, second switch pipe S2, the 3rd switching tube S3,
4th switching tube S4, the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4, the 11st switching tube
Q5, twelvemo are closed pipe Q6, the 13rd switching tube Q7, the 14th switching tube Q8 and access circuit, in transformer secondary side the 5th
Switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4 and the 11st switching tube Q5, twelvemo close pipe
Q6, the 13rd switching tube Q7, the 14th switching tube Q8 break-makes are to maintain synchronization, because the 11st switching tube Q5, twelvemo are closed
Pipe Q6, the 13rd switching tube Q7, the access of the 14th switching tube Q8 make transformer secondary output voltage range reduce one times；
This circuit can also realize the transmitted in both directions of energy, when energy is from transformer primary side effluent to transformer secondary side
When, drive first switch pipe S1, second switch pipe S2, the 3rd switching tube S3, the 4th switching tube S4 to carry out full-bridge inverting, meanwhile,
Drive the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4, the 11st switching tube Q5, the 12nd
Switching tube Q6, the 13rd switching tube Q7, the 14th switching tube Q8 carry out full-bridge rectification；When energy is from transformer secondary effluent to change
During depressor former limit side, the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4, the 11st is driven to open
Closing pipe Q5, twelvemo pass pipe Q6, the 13rd switching tube Q7, the 14th switching tube Q8 carries out full-bridge inverting, at the same time, drives
First switch pipe S1, second switch pipe S2, the 3rd switching tube S3, the 4th switching tube S4 carry out full-bridge rectification；
It should be noted that the specific term used when some features of the present utility model or scheme is illustrated should not be used
In represent redefine the term here with limit of the present utility model some certain features related to the term, feature or
Person's scheme.In a word, the term used in appended claims should not be construed to be limited to this utility model
Specific embodiment disclosed in bright book, unless above-mentioned detailed description part explicitly defines these terms.Therefore, this practicality is new
The actual range of type not only includes the disclosed embodiments, is additionally included under claims and is practiced or carried out this practicality newly
All equivalents of type.
Claims (2)
1. new structure changes bidirectional active full-bridge controlled resonant converter, it is characterised in that：Based on bidirectional active full-bridge controlled resonant converter
On the basis of, by the parallel connection of two full-bridge outfans of series connection and transformator pair side of two Transformer Windings of transformer primary avris
To realize.
2. new structure changes bidirectional active full-bridge controlled resonant converter according to claim 1, it is characterised in that：Based on two-way
Series connection and transformator pair side two on the basis of active full-bridge controlled resonant converter, by two Transformer Windings of transformer primary avris
The parallel connection of individual full-bridge outfan realizing, specifically include first switch pipe S1, second switch pipe S2, the 3rd switching tube S3, the 4th
Switching tube S4, the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4, the 9th switching tube K1,
Ten switching tube K2, the 11st switching tube Q5, twelvemo close pipe Q6, the 13rd switching tube Q7, the 14th switching tube Q8, the first change
Depressor T1, the second transformator T2, nonpolar electric capacity C1, polar capacitor C2, the first inductance Lr1, the second inductance Lr2With power supply V1；
The drain electrode of described first switch pipe S1 is connected with the drain electrode of the 3rd switching tube S3, the positive pole of power supply V1, second switch pipe
The source electrode of S2 is connected with the source electrode of the 4th switching tube S4, the negative pole of power supply V1, the source electrode of first switch pipe S1, second switch pipe S2
Drain electrode, the first inductance Lr1One end connection, the first inductance Lr1The other end be connected with one end of nonpolar electric capacity C1, non-pole
The other end of property electric capacity C1 is connected with one end of the first transformator T1 former limits side, the other end of the first transformator T1 former limits side and
Two inductance Lr2One end, the 9th switching tube K1 drain electrode connection, the second inductance Lr2The other end and the second transformator T2 former limits side
One end connection, the 9th switching tube other end, the source electrode of the 3rd switching tube S3, the 4th switching tube S4 drain electrode connection, first become
One end of depressor T1 secondary side is connected with the source electrode of the 5th switching tube Q1, the drain electrode of the 6th switching tube Q2, the first transformator T1 pairs
The other end of avris is connected with the source electrode of the 7th switching tube Q3, the drain electrode of the 8th switching tube Q4, the drain electrode of the 5th switching tube Q1,
The drain electrode of seven switching tube Q3, the drain electrode of the 11st switching tube Q5, the drain electrode of the 13rd switching tube Q7, the positive pole of polar capacitor C2 connect
Connect and as transformer secondary side positive source；The source electrode of the 6th switching tube Q2 and source electrode, the polar capacitor of the 8th switching tube Q4
The negative pole of C2, twelvemo close the source electrode of pipe Q6, the source electrode of the 14th switching tube Q8 connects and as transformer secondary side power supply
Negative pole, the drain electrode that pipe Q6 is closed in one end of the second transformator T2 secondary side with the source electrode of the 11st switching tube Q5, twelvemo is connected,
The other end of the second transformator T2 secondary side is connected with the source electrode of the 13rd switching tube Q7, the drain electrode of the 14th switching tube Q8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620615733.0U CN206117512U (en) | 2016-06-20 | 2016-06-20 | Novel two -way active full -bridge resonant transformation ware of variable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620615733.0U CN206117512U (en) | 2016-06-20 | 2016-06-20 | Novel two -way active full -bridge resonant transformation ware of variable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206117512U true CN206117512U (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620615733.0U Withdrawn - After Issue CN206117512U (en) | 2016-06-20 | 2016-06-20 | Novel two -way active full -bridge resonant transformation ware of variable structure |
Country Status (1)
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| CN (1) | CN206117512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896996A (en) * | 2016-06-20 | 2016-08-24 | 杭州电子科技大学 | Novel variable-structure bidirectional active full-bridge resonant converter |
-
2016
- 2016-06-20 CN CN201620615733.0U patent/CN206117512U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896996A (en) * | 2016-06-20 | 2016-08-24 | 杭州电子科技大学 | Novel variable-structure bidirectional active full-bridge resonant converter |
| CN105896996B (en) * | 2016-06-20 | 2018-07-06 | 杭州电子科技大学 | A kind of novel structure changes bidirectional active full-bridge controlled resonant converter |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20180706 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20180706 |